#121C29#121C29

#121C29 is a very dark, muted cyan. Relative luminance 0.011; OKLCH L 22.4% C 0.029 H 255.3°. Best body text is #FFFFFF at 17.16:1 contrast (WCAG AA passes).

Color values

HEX	#121C29
RGB	rgb(18, 28, 41)
HSL	hsl(214, 39%, 12%)
HSV	hsv(214, 56%, 16%)
CMYK	cmyk(56.1%, 31.7%, 0%, 83.9%)
CIE-LAB	lab(9.95, 0.04, -10.21)
CIE-LCH	lch(9.95, 10.21, 270.22°)
OKLab	oklab(22.36% -0.0075 -0.0285)
OKLCH	oklch(22.36% 0.029 255.3)
XYZ	xyz(1.0648, 1.1191, 2.2573)
Luminance	0.0112 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121C29 #291F12

analogous

#122829 #121C29 #141229

triadic

#121C29 #29121C #1C2912

tetradic

#121C29 #291228 #291F12 #122914

square

#121C29 #291228 #291F12 #122914

split-complementary

#121C29 #291412 #282912

monochromatic

#090F15 #090F15 #121C29 #253954 #37567E

Accessibility & contrast

On white

17.16

#121C29 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#121C29 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121C29

17.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121C29	#FFFFFF	#000000	##FFFFFF
##121C29	1.00	17.16	1.22	17.16
#FFFFFF	17.16	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#171D2A

Deuteranopia (green-blind)

#141A29

Tritanopia (blue-blind)

#091F20

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #121c29;
/* rgb */ color: rgb(18, 28, 41);
/* oklch */ color: oklch(22.4% 0.029 255.3);

Tailwind

colors: {
  custom: {
    50: '#515762',
    500: '#121c29',
    950: '#000000',
  },
}

SCSS

$custom: #121c29;
$custom-light: #515762;
$custom-dark: #000000;

JSON

{
  "hex": "#121c29",
  "rgb": {
    "r": 18,
    "g": 28,
    "b": 41
  },
  "hsl": {
    "h": 213.913,
    "s": 38.983,
    "l": 11.569
  },
  "oklch": {
    "l": 0.22355,
    "c": 0.02942,
    "h": 255.3
  },
  "luminance": 0.01119
}

Semantic roles & 50–950 ramp

primary

#121C29

secondary

#604E37

accent

#9C59CF

background

#F4F5F5

surface

#E7E9EA

border

#C3C5C6

text

#020305

muted

#787879

Preview Lab

Preview with #121C29

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

Preview Lab → · Contrast checker → · Palette generator →