#12275A#12275A

#12275A is a dark, moderate blue. Relative luminance 0.023; OKLCH L 28.9% C 0.096 H 264.3°. Best body text is #FFFFFF at 14.35:1 contrast (WCAG AA passes).

Color values

HEX	#12275A
RGB	rgb(18, 39, 90)
HSL	hsl(223, 67%, 21%)
HSV	hsv(223, 80%, 35%)
CMYK	cmyk(80%, 56.7%, 0%, 64.7%)
CIE-LAB	lab(17.07, 12.23, -33.12)
CIE-LCH	lch(17.07, 35.31, 290.27°)
OKLab	oklab(28.94% -0.0094 -0.0953)
OKLCH	oklch(28.94% 0.096 264.3)
XYZ	xyz(2.8198, 2.3175, 9.9696)
Luminance	0.0232 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12275A #5A4512

analogous

#124B5A #12275A #21125A

triadic

#12275A #5A1227 #275A12

tetradic

#12275A #5A124B #5A4512 #125A21

square

#12275A #5A124B #5A4512 #125A21

split-complementary

#12275A #5A2112 #4B5A12

monochromatic

#050B1A #081127 #12275A #1C3D8D #2653C0

Accessibility & contrast

On white

14.35

#12275A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#12275A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12275A

14.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12275A	#FFFFFF	#000000	##FFFFFF
##12275A	1.00	14.35	1.46	14.35
#FFFFFF	14.35	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#042E5C

Deuteranopia (green-blind)

#002759

Tritanopia (blue-blind)

#00333C

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #12275a;
/* rgb */ color: rgb(18, 39, 90);
/* oklch */ color: oklch(28.9% 0.096 264.3);

Tailwind

colors: {
  custom: {
    50: '#5c6089',
    500: '#12275a',
    950: '#000000',
  },
}

SCSS

$custom: #12275a;
$custom-light: #5c6089;
$custom-dark: #000000;

JSON

{
  "hex": "#12275a",
  "rgb": {
    "r": 18,
    "g": 39,
    "b": 90
  },
  "hsl": {
    "h": 222.5,
    "s": 66.667,
    "l": 21.176
  },
  "oklch": {
    "l": 0.28944,
    "c": 0.09581,
    "h": 264.3
  },
  "luminance": 0.02318
}

Semantic roles & 50–950 ramp

primary

#12275A

secondary

#937735

accent

#B83EEA

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#04040B

muted

#79797C

Preview Lab

Preview with #12275A

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

Preview Lab → · Contrast checker → · Palette generator →