#12253B#12253B

#12253B is a dark, muted cyan. Relative luminance 0.018; OKLCH L 26.0% C 0.049 H 253.2°. Best body text is #FFFFFF at 15.51:1 contrast (WCAG AA passes).

Color values

HEX	#12253B
RGB	rgb(18, 37, 59)
HSL	hsl(212, 53%, 15%)
HSV	hsv(212, 69%, 23%)
CMYK	cmyk(69.5%, 37.3%, 0%, 76.9%)
CIE-LAB	lab(14.22, 0.53, -16.48)
CIE-LCH	lch(14.22, 16.48, 271.83°)
OKLab	oklab(26.04% -0.014 -0.0465)
OKLCH	oklch(26.04% 0.049 253.2)
XYZ	xyz(1.7002, 1.7673, 4.3884)
Luminance	0.0177 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12253B #3B2812

analogous

#123A3B #12253B #13123B

triadic

#12253B #3B1225 #253B12

tetradic

#12253B #3B123A #3B2812 #123B13

square

#12253B #3B123A #3B2812 #123B13

split-complementary

#12253B #3B1312 #3A3B12

monochromatic

#070F17 #070F17 #12253B #20426A #2F6099

Accessibility & contrast

On white

15.51

#12253B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#12253B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12253B

15.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12253B	#FFFFFF	#000000	##FFFFFF
##12253B	1.00	15.51	1.35	15.51
#FFFFFF	15.51	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C263C

Deuteranopia (green-blind)

#16223B

Tritanopia (blue-blind)

#002A2D

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #12253b;
/* rgb */ color: rgb(18, 37, 59);
/* oklch */ color: oklch(26.0% 0.049 253.2);

Tailwind

colors: {
  custom: {
    50: '#545f71',
    500: '#12253b',
    950: '#000000',
  },
}

SCSS

$custom: #12253b;
$custom-light: #545f71;
$custom-dark: #000000;

JSON

{
  "hex": "#12253b",
  "rgb": {
    "r": 18,
    "g": 37,
    "b": 59
  },
  "hsl": {
    "h": 212.195,
    "s": 53.247,
    "l": 15.098
  },
  "oklch": {
    "l": 0.26037,
    "c": 0.04859,
    "h": 253.2
  },
  "luminance": 0.01768
}

Semantic roles & 50–950 ramp

primary

#12253B

secondary

#745735

accent

#994BDD

background

#F5F5F6

surface

#E9E9EC

border

#C5C5C7

text

#030407

muted

#78797A

Preview Lab

Preview with #12253B

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

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