#121E39#121E39

#121E39 is a very dark, muted blue. Relative luminance 0.014; OKLCH L 24.0% C 0.055 H 264.6°. Best body text is #FFFFFF at 16.53:1 contrast (WCAG AA passes).

Color values

HEX	#121E39
RGB	rgb(18, 30, 57)
HSL	hsl(222, 52%, 15%)
HSV	hsv(222, 68%, 22%)
CMYK	cmyk(68.4%, 47.4%, 0%, 77.6%)
CIE-LAB	lab(11.64, 4.94, -19.14)
CIE-LCH	lch(11.64, 19.76, 284.47°)
OKLab	oklab(23.99% -0.0052 -0.0544)
OKLCH	oklch(23.99% 0.055 264.6)
XYZ	xyz(1.4520, 1.3524, 4.0546)
Luminance	0.0135 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121E39 #392D12

analogous

#123239 #121E39 #191239

triadic

#121E39 #39121E #1E3912

tetradic

#121E39 #391232 #392D12 #123919

square

#121E39 #391232 #392D12 #123919

split-complementary

#121E39 #391912 #323912

monochromatic

#070C17 #070C17 #121E39 #213668 #2F4F96

Accessibility & contrast

On white

16.53

#121E39 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#121E39 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121E39

16.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121E39	#FFFFFF	#000000	##FFFFFF
##121E39	1.00	16.53	1.27	16.53
#FFFFFF	16.53	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#12213A

Deuteranopia (green-blind)

#0D1D38

Tritanopia (blue-blind)

#002428

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #121e39;
/* rgb */ color: rgb(18, 30, 57);
/* oklch */ color: oklch(24.0% 0.055 264.6);

Tailwind

colors: {
  custom: {
    50: '#54596f',
    500: '#121e39',
    950: '#000000',
  },
}

SCSS

$custom: #121e39;
$custom-light: #54596f;
$custom-dark: #000000;

JSON

{
  "hex": "#121e39",
  "rgb": {
    "r": 18,
    "g": 30,
    "b": 57
  },
  "hsl": {
    "h": 221.538,
    "s": 52,
    "l": 14.706
  },
  "oklch": {
    "l": 0.23991,
    "c": 0.05464,
    "h": 264.6
  },
  "luminance": 0.01353
}

Semantic roles & 50–950 ramp

primary

#121E39

secondary

#725F35

accent

#AF4CDB

background

#F5F5F6

surface

#E8E9EC

border

#C4C5C7

text

#030307

muted

#78787A

Preview Lab

Preview with #121E39

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

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