#12263B#12263B

#12263B is a dark, muted cyan. Relative luminance 0.018; OKLCH L 26.3% C 0.047 H 251.1°. Best body text is #FFFFFF at 15.37:1 contrast (WCAG AA passes).

Color values

HEX	#12263B
RGB	rgb(18, 38, 59)
HSL	hsl(211, 53%, 15%)
HSV	hsv(211, 69%, 23%)
CMYK	cmyk(69.5%, 35.6%, 0%, 76.9%)
CIE-LAB	lab(14.57, -0.20, -15.92)
CIE-LCH	lch(14.57, 15.92, 269.27°)
OKLab	oklab(26.32% -0.0154 -0.0449)
OKLCH	oklch(26.32% 0.047 251.1)
XYZ	xyz(1.7317, 1.8304, 4.3989)
Luminance	0.0183 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12263B #3B2712

analogous

#123A3B #12263B #13123B

triadic

#12263B #3B1226 #263B12

tetradic

#12263B #3B123A #3B2712 #123B13

square

#12263B #3B123A #3B2712 #123B13

split-complementary

#12263B #3B1312 #3A3B12

monochromatic

#070F17 #070F17 #12263B #20446A #2F6299

Accessibility & contrast

On white

15.37

#12263B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#12263B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12263B

15.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12263B	#FFFFFF	#000000	##FFFFFF
##12263B	1.00	15.37	1.37	15.37
#FFFFFF	15.37	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D273C

Deuteranopia (green-blind)

#18233B

Tritanopia (blue-blind)

#002B2D

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #12263b;
/* rgb */ color: rgb(18, 38, 59);
/* oklch */ color: oklch(26.3% 0.047 251.1);

Tailwind

colors: {
  custom: {
    50: '#546071',
    500: '#12263b',
    950: '#000000',
  },
}

SCSS

$custom: #12263b;
$custom-light: #546071;
$custom-dark: #000000;

JSON

{
  "hex": "#12263b",
  "rgb": {
    "r": 18,
    "g": 38,
    "b": 59
  },
  "hsl": {
    "h": 210.732,
    "s": 53.247,
    "l": 15.098
  },
  "oklch": {
    "l": 0.26316,
    "c": 0.04745,
    "h": 251.1
  },
  "luminance": 0.01831
}

Semantic roles & 50–950 ramp

primary

#12263B

secondary

#745535

accent

#964BDD

background

#F5F5F6

surface

#E9E9EC

border

#C5C5C7

text

#030407

muted

#78797A

Preview Lab

Preview with #12263B

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

Preview Lab → · Contrast checker → · Palette generator →