#12255E#12255E

#12255E is a dark, moderate blue. Relative luminance 0.023; OKLCH L 28.8% C 0.105 H 266.0°. Best body text is #FFFFFF at 14.46:1 contrast (WCAG AA passes).

Color values

HEX	#12255E
RGB	rgb(18, 37, 94)
HSL	hsl(225, 68%, 22%)
HSV	hsv(225, 81%, 37%)
CMYK	cmyk(80.9%, 60.6%, 0%, 63.1%)
CIE-LAB	lab(16.79, 15.43, -36.24)
CIE-LCH	lch(16.79, 39.38, 293.07°)
OKLab	oklab(28.84% -0.0074 -0.1045)
OKLCH	oklch(28.84% 0.105 266)
XYZ	xyz(2.9307, 2.2596, 10.8692)
Luminance	0.0226 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12255E #5E4B12

analogous

#124B5E #12255E #25125E

triadic

#12255E #5E1225 #255E12

tetradic

#12255E #5E124B #5E4B12 #125E25

square

#12255E #5E124B #5E4B12 #125E25

split-complementary

#12255E #5E2512 #4B5E12

monochromatic

#050A1A #08112B #12255E #1C3991 #264DC5

Accessibility & contrast

On white

14.46

#12255E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#12255E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12255E

14.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12255E	#FFFFFF	#000000	##FFFFFF
##12255E	1.00	14.46	1.45	14.46
#FFFFFF	14.46	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D60

Deuteranopia (green-blind)

#00265D

Tritanopia (blue-blind)

#00333D

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #12255e;
/* rgb */ color: rgb(18, 37, 94);
/* oklch */ color: oklch(28.8% 0.105 266.0);

Tailwind

colors: {
  custom: {
    50: '#5d5f8c',
    500: '#12255e',
    950: '#000000',
  },
}

SCSS

$custom: #12255e;
$custom-light: #5d5f8c;
$custom-dark: #000000;

JSON

{
  "hex": "#12255e",
  "rgb": {
    "r": 18,
    "g": 37,
    "b": 94
  },
  "hsl": {
    "h": 225,
    "s": 67.857,
    "l": 21.961
  },
  "oklch": {
    "l": 0.2884,
    "c": 0.1048,
    "h": 266
  },
  "luminance": 0.0226
}

Semantic roles & 50–950 ramp

primary

#12255E

secondary

#967E35

accent

#BF3DEB

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#05040C

muted

#79797D

Preview Lab

Preview with #12255E

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

Preview Lab → · Contrast checker → · Palette generator →