#12404C#12404C

#12404C is a dark, muted cyan. Relative luminance 0.043; OKLCH L 34.6% C 0.053 H 218.6°. Best body text is #FFFFFF at 11.27:1 contrast (WCAG AA passes).

Color values

HEX	#12404C
RGB	rgb(18, 64, 76)
HSL	hsl(192, 62%, 18%)
HSV	hsv(192, 76%, 30%)
CMYK	cmyk(76.3%, 15.8%, 0%, 70.2%)
CIE-LAB	lab(24.69, -10.86, -11.79)
CIE-LCH	lch(24.69, 16.03, 227.34°)
OKLab	oklab(34.64% -0.0411 -0.0329)
OKLCH	oklch(34.64% 0.053 218.6)
XYZ	xyz(3.3868, 4.3168, 7.4908)
Luminance	0.0432 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12404C #4C1E12

analogous

#124C3B #12404C #12234C

triadic

#12404C #4C1240 #404C12

tetradic

#12404C #3B124C #4C1E12 #234C12

square

#12404C #3B124C #4C1E12 #234C12

split-complementary

#12404C #4C1223 #4C3B12

monochromatic

#061519 #06161B #12404C #1E6A7D #2993AF

Accessibility & contrast

On white

11.27

#12404C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#12404C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12404C

11.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12404C	#FFFFFF	#000000	##FFFFFF
##12404C	1.00	11.27	1.86	11.27
#FFFFFF	11.27	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383E4D

Deuteranopia (green-blind)

#30384C

Tritanopia (blue-blind)

#004444

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #12404c;
/* rgb */ color: rgb(18, 64, 76);
/* oklch */ color: oklch(34.6% 0.053 218.6);

Tailwind

colors: {
  custom: {
    50: '#59757e',
    500: '#12404c',
    950: '#000000',
  },
}

SCSS

$custom: #12404c;
$custom-light: #59757e;
$custom-dark: #000000;

JSON

{
  "hex": "#12404c",
  "rgb": {
    "r": 18,
    "g": 64,
    "b": 76
  },
  "hsl": {
    "h": 192.414,
    "s": 61.702,
    "l": 18.431
  },
  "oklch": {
    "l": 0.34644,
    "c": 0.05267,
    "h": 218.6
  },
  "luminance": 0.04317
}

Semantic roles & 50–950 ramp

primary

#12404C

secondary

#854535

accent

#6443E5

background

#F5F7F7

surface

#E9EDEE

border

#C5C8C9

text

#040809

muted

#797B7B

Preview Lab

Preview with #12404C

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

Preview Lab → · Contrast checker → · Palette generator →