#121D38#121D38

#121D38 is a very dark, muted blue. Relative luminance 0.013; OKLCH L 23.6% C 0.054 H 265.7°. Best body text is #FFFFFF at 16.69:1 contrast (WCAG AA passes).

Color values

HEX	#121D38
RGB	rgb(18, 29, 56)
HSL	hsl(223, 51%, 15%)
HSV	hsv(223, 68%, 22%)
CMYK	cmyk(67.9%, 48.2%, 0%, 78%)
CIE-LAB	lab(11.22, 5.29, -19.08)
CIE-LCH	lch(11.22, 19.80, 285.49°)
OKLab	oklab(23.65% -0.0041 -0.0542)
OKLCH	oklch(23.65% 0.054 265.7)
XYZ	xyz(1.4024, 1.2927, 3.9162)
Luminance	0.0129 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121D38 #382D12

analogous

#123038 #121D38 #1A1238

triadic

#121D38 #38121D #1D3812

tetradic

#121D38 #381230 #382D12 #12381A

square

#121D38 #381230 #382D12 #12381A

split-complementary

#121D38 #381A12 #303812

monochromatic

#070C17 #070C17 #121D38 #213566 #304D95

Accessibility & contrast

On white

16.69

#121D38 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#121D38 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121D38

16.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121D38	#FFFFFF	#000000	##FFFFFF
##121D38	1.00	16.69	1.26	16.69
#FFFFFF	16.69	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#112039

Deuteranopia (green-blind)

#0C1C37

Tritanopia (blue-blind)

#002327

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #121d38;
/* rgb */ color: rgb(18, 29, 56);
/* oklch */ color: oklch(23.6% 0.054 265.7);

Tailwind

colors: {
  custom: {
    50: '#54586f',
    500: '#121d38',
    950: '#000000',
  },
}

SCSS

$custom: #121d38;
$custom-light: #54586f;
$custom-dark: #000000;

JSON

{
  "hex": "#121d38",
  "rgb": {
    "r": 18,
    "g": 29,
    "b": 56
  },
  "hsl": {
    "h": 222.632,
    "s": 51.351,
    "l": 14.51
  },
  "oklch": {
    "l": 0.2365,
    "c": 0.05438,
    "h": 265.7
  },
  "luminance": 0.01293
}

Semantic roles & 50–950 ramp

primary

#121D38

secondary

#715F35

accent

#B24DDB

background

#F4F5F6

surface

#E8E9EC

border

#C4C5C7

text

#030307

muted

#78787A

Preview Lab

Preview with #121D38

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

Preview Lab → · Contrast checker → · Palette generator →