#121F29#121F29

#121F29 is a very dark, muted cyan. Relative luminance 0.013; OKLCH L 23.2% C 0.027 H 242.4°. Best body text is #FFFFFF at 16.75:1 contrast (WCAG AA passes).

Color values

HEX	#121F29
RGB	rgb(18, 31, 41)
HSL	hsl(206, 39%, 12%)
HSV	hsv(206, 56%, 16%)
CMYK	cmyk(56.1%, 24.4%, 0%, 83.9%)
CIE-LAB	lab(11.05, -2.18, -8.50)
CIE-LCH	lch(11.05, 8.77, 255.63°)
OKLab	oklab(23.23% -0.0123 -0.0236)
OKLCH	oklch(23.23% 0.027 242.4)
XYZ	xyz(1.1395, 1.2686, 2.2822)
Luminance	0.0127 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121F29 #291C12

analogous

#122928 #121F29 #121429

triadic

#121F29 #29121F #1F2912

tetradic

#121F29 #281229 #291C12 #142912

square

#121F29 #281229 #291C12 #142912

split-complementary

#121F29 #291214 #292812

monochromatic

#091015 #091015 #121F29 #253F54 #375F7E

Accessibility & contrast

On white

16.75

#121F29 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#121F29 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121F29

16.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121F29	#FFFFFF	#000000	##FFFFFF
##121F29	1.00	16.75	1.25	16.75
#FFFFFF	16.75	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B1F29

Deuteranopia (green-blind)

#181D29

Tritanopia (blue-blind)

#082122

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #121f29;
/* rgb */ color: rgb(18, 31, 41);
/* oklch */ color: oklch(23.2% 0.027 242.4);

Tailwind

colors: {
  custom: {
    50: '#515a62',
    500: '#121f29',
    950: '#000000',
  },
}

SCSS

$custom: #121f29;
$custom-light: #515a62;
$custom-dark: #000000;

JSON

{
  "hex": "#121f29",
  "rgb": {
    "r": 18,
    "g": 31,
    "b": 41
  },
  "hsl": {
    "h": 206.087,
    "s": 38.983,
    "l": 11.569
  },
  "oklch": {
    "l": 0.23227,
    "c": 0.02661,
    "h": 242.4
  },
  "luminance": 0.01269
}

Semantic roles & 50–950 ramp

primary

#121F29

secondary

#604937

accent

#8C59CF

background

#F4F5F5

surface

#E7E9EA

border

#C3C5C6

text

#020305

muted

#787879

Preview Lab

Preview with #121F29

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

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