#12243C#12243C

#12243C is a dark, muted cyan. Relative luminance 0.017; OKLCH L 25.8% C 0.051 H 256.1°. Best body text is #FFFFFF at 15.63:1 contrast (WCAG AA passes).

Color values

HEX	#12243C
RGB	rgb(18, 36, 60)
HSL	hsl(214, 54%, 15%)
HSV	hsv(214, 70%, 24%)
CMYK	cmyk(70%, 40%, 0%, 76.5%)
CIE-LAB	lab(13.92, 1.67, -17.64)
CIE-LCH	lch(13.92, 17.72, 275.42°)
OKLab	oklab(25.83% -0.0123 -0.0499)
OKLCH	oklch(25.83% 0.051 256.1)
XYZ	xyz(1.6957, 1.7164, 4.5160)
Luminance	0.0172 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12243C #3C2A12

analogous

#12393C #12243C #15123C

triadic

#12243C #3C1224 #243C12

tetradic

#12243C #3C1239 #3C2A12 #123C15

square

#12243C #3C1239 #3C2A12 #123C15

split-complementary

#12243C #3C1512 #393C12

monochromatic

#070E18 #070E18 #12243C #20406B #2E5C9A

Accessibility & contrast

On white

15.63

#12243C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#12243C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12243C

15.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12243C	#FFFFFF	#000000	##FFFFFF
##12243C	1.00	15.63	1.34	15.63
#FFFFFF	15.63	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A263D

Deuteranopia (green-blind)

#14223C

Tritanopia (blue-blind)

#00292D

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #12243c;
/* rgb */ color: rgb(18, 36, 60);
/* oklch */ color: oklch(25.8% 0.051 256.1);

Tailwind

colors: {
  custom: {
    50: '#545e72',
    500: '#12243c',
    950: '#000000',
  },
}

SCSS

$custom: #12243c;
$custom-light: #545e72;
$custom-dark: #000000;

JSON

{
  "hex": "#12243c",
  "rgb": {
    "r": 18,
    "g": 36,
    "b": 60
  },
  "hsl": {
    "h": 214.286,
    "s": 53.846,
    "l": 15.294
  },
  "oklch": {
    "l": 0.25828,
    "c": 0.05143,
    "h": 256.1
  },
  "luminance": 0.01717
}

Semantic roles & 50–950 ramp

primary

#12243C

secondary

#755935

accent

#9E4BDD

background

#F5F5F6

surface

#E9E9EC

border

#C5C5C7

text

#030408

muted

#78797B

Preview Lab

Preview with #12243C

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

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