#12275E#12275E

#12275E is a dark, moderate blue. Relative luminance 0.024; OKLCH L 29.3% C 0.102 H 264.9°. Best body text is #FFFFFF at 14.21:1 contrast (WCAG AA passes).

Color values

HEX	#12275E
RGB	rgb(18, 39, 94)
HSL	hsl(223, 68%, 22%)
HSV	hsv(223, 81%, 37%)
CMYK	cmyk(80.9%, 58.5%, 0%, 63.1%)
CIE-LAB	lab(17.40, 13.95, -35.25)
CIE-LCH	lch(17.40, 37.91, 291.59°)
OKLab	oklab(29.3% -0.0091 -0.1016)
OKLCH	oklch(29.3% 0.102 264.9)
XYZ	xyz(2.9946, 2.3875, 10.8905)
Luminance	0.0239 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12275E #5E4912

analogous

#124D5E #12275E #23125E

triadic

#12275E #5E1227 #275E12

tetradic

#12275E #5E124D #5E4912 #125E23

square

#12275E #5E124D #5E4912 #125E23

split-complementary

#12275E #5E2312 #4D5E12

monochromatic

#050B1A #08122B #12275E #1C3C91 #2652C5

Accessibility & contrast

On white

14.21

#12275E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#12275E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12275E

14.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12275E	#FFFFFF	#000000	##FFFFFF
##12275E	1.00	14.21	1.48	14.21
#FFFFFF	14.21	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E60

Deuteranopia (green-blind)

#00275D

Tritanopia (blue-blind)

#00343E

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #12275e;
/* rgb */ color: rgb(18, 39, 94);
/* oklch */ color: oklch(29.3% 0.102 264.9);

Tailwind

colors: {
  custom: {
    50: '#5d608c',
    500: '#12275e',
    950: '#000000',
  },
}

SCSS

$custom: #12275e;
$custom-light: #5d608c;
$custom-dark: #000000;

JSON

{
  "hex": "#12275e",
  "rgb": {
    "r": 18,
    "g": 39,
    "b": 94
  },
  "hsl": {
    "h": 223.421,
    "s": 67.857,
    "l": 21.961
  },
  "oklch": {
    "l": 0.29298,
    "c": 0.102,
    "h": 264.9
  },
  "luminance": 0.02388
}

Semantic roles & 50–950 ramp

primary

#12275E

secondary

#967C35

accent

#BB3DEB

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#05040C

muted

#79797D

Preview Lab

Preview with #12275E

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

Preview Lab → · Contrast checker → · Palette generator →