#121A39#121A39

#121A39 is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 22.9% C 0.061 H 270.2°. Best body text is #FFFFFF at 17.04:1 contrast (WCAG AA passes).

Color values

HEX	#121A39
RGB	rgb(18, 26, 57)
HSL	hsl(228, 52%, 15%)
HSV	hsv(228, 68%, 22%)
CMYK	cmyk(68.4%, 54.4%, 0%, 77.6%)
CIE-LAB	lab(10.28, 8.03, -21.30)
CIE-LCH	lch(10.28, 22.77, 290.65°)
OKLab	oklab(22.95% 0.0002 -0.0608)
OKLCH	oklch(22.95% 0.061 270.2)
XYZ	xyz(1.3571, 1.1627, 4.0230)
Luminance	0.0116 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121A39 #393112

analogous

#122E39 #121A39 #1E1239

triadic

#121A39 #39121A #1A3912

tetradic

#121A39 #39122E #393112 #12391E

square

#121A39 #39122E #393112 #12391E

split-complementary

#121A39 #391E12 #2E3912

monochromatic

#070B17 #070B17 #121A39 #212F68 #2F4496

Accessibility & contrast

On white

17.04

#121A39 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#121A39 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121A39

17.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121A39	#FFFFFF	#000000	##FFFFFF
##121A39	1.00	17.04	1.23	17.04
#FFFFFF	17.04	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B1E3A

Deuteranopia (green-blind)

#061A38

Tritanopia (blue-blind)

#002126

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #121a39;
/* rgb */ color: rgb(18, 26, 57);
/* oklch */ color: oklch(22.9% 0.061 270.2);

Tailwind

colors: {
  custom: {
    50: '#54566f',
    500: '#121a39',
    950: '#000000',
  },
}

SCSS

$custom: #121a39;
$custom-light: #54566f;
$custom-dark: #000000;

JSON

{
  "hex": "#121a39",
  "rgb": {
    "r": 18,
    "g": 26,
    "b": 57
  },
  "hsl": {
    "h": 227.692,
    "s": 52,
    "l": 14.706
  },
  "oklch": {
    "l": 0.22949,
    "c": 0.06081,
    "h": 270.2
  },
  "luminance": 0.01163
}

Semantic roles & 50–950 ramp

primary

#121A39

secondary

#726535

accent

#BE4CDB

background

#F5F5F6

surface

#E9E8EC

border

#C5C4C7

text

#030307

muted

#78787A

Preview Lab

Preview with #121A39

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

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