#121A43#121A43

#121A43 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 23.8% C 0.078 H 271.0°. Best body text is #FFFFFF at 16.74:1 contrast (WCAG AA passes).

Color values

HEX	#121A43
RGB	rgb(18, 26, 67)
HSL	hsl(230, 58%, 17%)
HSV	hsv(230, 73%, 26%)
CMYK	cmyk(73.1%, 61.2%, 0%, 73.7%)
CIE-LAB	lab(11.08, 12.25, -27.10)
CIE-LCH	lch(11.08, 29.74, 294.33°)
OKLab	oklab(23.81% 0.0014 -0.0778)
OKLCH	oklch(23.81% 0.078 271)
XYZ	xyz(1.6316, 1.2725, 5.4687)
Luminance	0.0127 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121A43 #433B12

analogous

#123343 #121A43 #231243

triadic

#121A43 #43121A #1A4312

tetradic

#121A43 #431233 #433B12 #124323

square

#121A43 #431233 #433B12 #124323

split-complementary

#121A43 #432312 #334312

monochromatic

#060918 #060918 #121A43 #1F2D73 #2C3FA3

Accessibility & contrast

On white

16.74

#121A43 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#121A43 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121A43

16.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121A43	#FFFFFF	#000000	##FFFFFF
##121A43	1.00	16.74	1.25	16.74
#FFFFFF	16.74	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#012044

Deuteranopia (green-blind)

#001C42

Tritanopia (blue-blind)

#00242B

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #121a43;
/* rgb */ color: rgb(18, 26, 67);
/* oklch */ color: oklch(23.8% 0.078 271.0);

Tailwind

colors: {
  custom: {
    50: '#575677',
    500: '#121a43',
    950: '#000000',
  },
}

SCSS

$custom: #121a43;
$custom-light: #575677;
$custom-dark: #000000;

JSON

{
  "hex": "#121a43",
  "rgb": {
    "r": 18,
    "g": 26,
    "b": 67
  },
  "hsl": {
    "h": 230.204,
    "s": 57.647,
    "l": 16.667
  },
  "oklch": {
    "l": 0.23813,
    "c": 0.07786,
    "h": 271
  },
  "luminance": 0.01273
}

Semantic roles & 50–950 ramp

primary

#121A43

secondary

#7C7035

accent

#C847E1

background

#F5F5F7

surface

#E9E8ED

border

#C5C4C8

text

#030309

muted

#78787B

Preview Lab

Preview with #121A43

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →