#12255C#12255C

#12255C is a dark, moderate blue. Relative luminance 0.022; OKLCH L 28.7% C 0.102 H 265.8°. Best body text is #FFFFFF at 14.53:1 contrast (WCAG AA passes).

Color values

HEX	#12255C
RGB	rgb(18, 37, 92)
HSL	hsl(225, 67%, 22%)
HSV	hsv(225, 80%, 36%)
CMYK	cmyk(80.4%, 59.8%, 0%, 63.9%)
CIE-LAB	lab(16.62, 14.58, -35.19)
CIE-LCH	lch(16.62, 38.09, 292.51°)
OKLab	oklab(28.66% -0.0075 -0.1014)
OKLCH	oklch(28.66% 0.102 265.8)
XYZ	xyz(2.8421, 2.2241, 10.4027)
Luminance	0.0222 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12255C #5C4912

analogous

#124A5C #12255C #24125C

triadic

#12255C #5C1225 #255C12

tetradic

#12255C #5C124A #5C4912 #125C24

square

#12255C #5C124A #5C4912 #125C24

split-complementary

#12255C #5C2412 #4A5C12

monochromatic

#050A1A #081029 #12255C #1C3A8F #264EC2

Accessibility & contrast

On white

14.53

#12255C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#12255C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12255C

14.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12255C	#FFFFFF	#000000	##FFFFFF
##12255C	1.00	14.53	1.44	14.53
#FFFFFF	14.53	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D5E

Deuteranopia (green-blind)

#00265B

Tritanopia (blue-blind)

#00333C

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #12255c;
/* rgb */ color: rgb(18, 37, 92);
/* oklch */ color: oklch(28.7% 0.102 265.8);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#12255c",
  "rgb": {
    "r": 18,
    "g": 37,
    "b": 92
  },
  "hsl": {
    "h": 224.595,
    "s": 67.273,
    "l": 21.569
  },
  "oklch": {
    "l": 0.28656,
    "c": 0.10173,
    "h": 265.8
  },
  "luminance": 0.02224
}

Semantic roles & 50–950 ramp

primary

#12255C

secondary

#947C35

accent

#BE3EEA

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#05040C

muted

#79797D

Preview Lab

Preview with #12255C

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

Preview Lab → · Contrast checker → · Palette generator →