#121F7C

Color Details

HEX
#121F7C
RGB
rgb(18, 31, 124)
HSL
hsl(233, 75%, 28%)
CMYK
cmyk(85%, 75%, 0%, 51%)
Best text on this color #FFFFFF (CR 13.88:1) Determined by WCAG contrast ratio

Readability Previews

Black on #121f7c
Contrast 1.51:1 Fail
White on #121f7c
Contrast 13.88:1 AAA
#121f7c on Black
Contrast 1.51:1 Fail
#121f7c on White
Contrast 13.88:1 AAA

Tints & Shades

#414c96
#7179b0
#a0a5cb
#0e1963
#0b134a
#070c32

Complement & Analogous

#7d7012
#3b127d
#12547d

Triadic

#7d121e
#1e7d12

Monochrome

#070c32 #0b134a #121f7c #7179b0 #a0a5cb #d0d2e5

Analogous

#12547d #5987a4 #121f7c #624197 #3b127d #2f0e64

Complementary Mix

#0b134a #121f7c #7179b0 #7d7012 #aba265 #51490c

Nearby Colors

#121f7b
#121f7d
#121f6c
#121f8c

Embed #121F7C swatch

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About #121F7C

#121F7C converts to RGB(18, 31, 124) and HSL(233, 75%, 28%). This page provides quick readability checks, related hues (complementary and analogous), and ready-made palettes so you can drop the color into UI components, images, or CSS immediately.

Tip: Use the “Best text” chip above as a safe default foreground on this color (chosen by contrast ratio).

#121F7C FAQs

What is the RGB value of #121F7C?
RGB: 18, 31, 124. Copy as CSS: rgb(18, 31, 124)
Is #121F7C a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #121F7C?
Complement: #7d7012.
Does #121F7C have good contrast on white or black?
On white: 13.88:1 (AAA (normal text)). On black: 1.51:1 (Fails AA).