#12275D#12275D

#12275D is a dark, moderate blue. Relative luminance 0.024; OKLCH L 29.2% C 0.100 H 264.8°. Best body text is #FFFFFF at 14.25:1 contrast (WCAG AA passes).

Color values

HEX	#12275D
RGB	rgb(18, 39, 93)
HSL	hsl(223, 68%, 22%)
HSV	hsv(223, 81%, 36%)
CMYK	cmyk(80.6%, 58.1%, 0%, 63.5%)
CIE-LAB	lab(17.32, 13.52, -34.72)
CIE-LCH	lch(17.32, 37.26, 291.28°)
OKLab	oklab(29.21% -0.0091 -0.1)
OKLCH	oklch(29.21% 0.1 264.8)
XYZ	xyz(2.9501, 2.3696, 10.6557)
Luminance	0.0237 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12275D #5D4812

analogous

#124D5D #12275D #23125D

triadic

#12275D #5D1227 #275D12

tetradic

#12275D #5D124D #5D4812 #125D23

square

#12275D #5D124D #5D4812 #125D23

split-complementary

#12275D #5D2312 #4D5D12

monochromatic

#050B1A #08112A #12275D #1C3D90 #2652C4

Accessibility & contrast

On white

14.25

#12275D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#12275D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12275D

14.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12275D	#FFFFFF	#000000	##FFFFFF
##12275D	1.00	14.25	1.47	14.25
#FFFFFF	14.25	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E5F

Deuteranopia (green-blind)

#00275C

Tritanopia (blue-blind)

#00343D

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #12275d;
/* rgb */ color: rgb(18, 39, 93);
/* oklch */ color: oklch(29.2% 0.100 264.8);

Tailwind

colors: {
  custom: {
    50: '#5d608b',
    500: '#12275d',
    950: '#000000',
  },
}

SCSS

$custom: #12275d;
$custom-light: #5d608b;
$custom-dark: #000000;

JSON

{
  "hex": "#12275d",
  "rgb": {
    "r": 18,
    "g": 39,
    "b": 93
  },
  "hsl": {
    "h": 223.2,
    "s": 67.568,
    "l": 21.765
  },
  "oklch": {
    "l": 0.29208,
    "c": 0.10046,
    "h": 264.8
  },
  "luminance": 0.0237
}

Semantic roles & 50–950 ramp

primary

#12275D

secondary

#957B35

accent

#BA3DEA

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#05040C

muted

#79797D

Preview Lab

Preview with #12275D

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

Preview Lab → · Contrast checker → · Palette generator →