#12253D#12253D

#12253D is a dark, muted cyan. Relative luminance 0.018; OKLCH L 26.2% C 0.052 H 255.1°. Best body text is #FFFFFF at 15.47:1 contrast (WCAG AA passes).

Color values

HEX	#12253D
RGB	rgb(18, 37, 61)
HSL	hsl(213, 54%, 15%)
HSV	hsv(213, 70%, 24%)
CMYK	cmyk(70.5%, 39.3%, 0%, 76.1%)
CIE-LAB	lab(14.34, 1.35, -17.69)
CIE-LCH	lch(14.34, 17.74, 274.36°)
OKLab	oklab(26.17% -0.0133 -0.0501)
OKLCH	oklch(26.17% 0.052 255.1)
XYZ	xyz(1.7530, 1.7885, 4.6668)
Luminance	0.0179 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12253D #3D2A12

analogous

#123A3D #12253D #14123D

triadic

#12253D #3D1225 #253D12

tetradic

#12253D #3D123A #3D2A12 #123D14

square

#12253D #3D123A #3D2A12 #123D14

split-complementary

#12253D #3D1412 #3A3D12

monochromatic

#070E18 #070E18 #12253D #20426C #2E5E9C

Accessibility & contrast

On white

15.47

#12253D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#12253D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12253D

15.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12253D	#FFFFFF	#000000	##FFFFFF
##12253D	1.00	15.47	1.36	15.47
#FFFFFF	15.47	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B273E

Deuteranopia (green-blind)

#15223D

Tritanopia (blue-blind)

#002A2E

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #12253d;
/* rgb */ color: rgb(18, 37, 61);
/* oklch */ color: oklch(26.2% 0.052 255.1);

Tailwind

colors: {
  custom: {
    50: '#555f72',
    500: '#12253d',
    950: '#000000',
  },
}

SCSS

$custom: #12253d;
$custom-light: #555f72;
$custom-dark: #000000;

JSON

{
  "hex": "#12253d",
  "rgb": {
    "r": 18,
    "g": 37,
    "b": 61
  },
  "hsl": {
    "h": 213.488,
    "s": 54.43,
    "l": 15.49
  },
  "oklch": {
    "l": 0.2617,
    "c": 0.05181,
    "h": 255.1
  },
  "luminance": 0.01789
}

Semantic roles & 50–950 ramp

primary

#12253D

secondary

#765935

accent

#9C4ADE

background

#F5F5F6

surface

#E9E9EC

border

#C5C5C7

text

#030408

muted

#78797B

Preview Lab

Preview with #12253D

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

Preview Lab → · Contrast checker → · Palette generator →