#12255D#12255D

#12255D is a dark, moderate blue. Relative luminance 0.022; OKLCH L 28.7% C 0.103 H 265.9°. Best body text is #FFFFFF at 14.50:1 contrast (WCAG AA passes).

Color values

HEX	#12255D
RGB	rgb(18, 37, 93)
HSL	hsl(225, 68%, 22%)
HSV	hsv(225, 81%, 36%)
CMYK	cmyk(80.6%, 60.2%, 0%, 63.5%)
CIE-LAB	lab(16.71, 15.01, -35.71)
CIE-LCH	lch(16.71, 38.74, 292.79°)
OKLab	oklab(28.75% -0.0074 -0.103)
OKLCH	oklch(28.75% 0.103 265.9)
XYZ	xyz(2.8861, 2.2417, 10.6344)
Luminance	0.0224 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12255D #5D4A12

analogous

#124B5D #12255D #25125D

triadic

#12255D #5D1225 #255D12

tetradic

#12255D #5D124B #5D4A12 #125D25

square

#12255D #5D124B #5D4A12 #125D25

split-complementary

#12255D #5D2512 #4B5D12

monochromatic

#050A1A #08112A #12255D #1C3990 #264EC4

Accessibility & contrast

On white

14.50

#12255D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#12255D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12255D

14.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12255D	#FFFFFF	#000000	##FFFFFF
##12255D	1.00	14.50	1.45	14.50
#FFFFFF	14.50	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D5F

Deuteranopia (green-blind)

#00265C

Tritanopia (blue-blind)

#00333D

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #12255d;
/* rgb */ color: rgb(18, 37, 93);
/* oklch */ color: oklch(28.7% 0.103 265.9);

Tailwind

colors: {
  custom: {
    50: '#5d5f8b',
    500: '#12255d',
    950: '#000000',
  },
}

SCSS

$custom: #12255d;
$custom-light: #5d5f8b;
$custom-dark: #000000;

JSON

{
  "hex": "#12255d",
  "rgb": {
    "r": 18,
    "g": 37,
    "b": 93
  },
  "hsl": {
    "h": 224.8,
    "s": 67.568,
    "l": 21.765
  },
  "oklch": {
    "l": 0.28748,
    "c": 0.10327,
    "h": 265.9
  },
  "luminance": 0.02242
}

Semantic roles & 50–950 ramp

primary

#12255D

secondary

#957D35

accent

#BF3DEA

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#05040C

muted

#79797D

Preview Lab

Preview with #12255D

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

Preview Lab → · Contrast checker → · Palette generator →