#12235B#12235B

#12235B is a dark, moderate blue. Relative luminance 0.021; OKLCH L 28.1% C 0.103 H 266.7°. Best body text is #FFFFFF at 14.82:1 contrast (WCAG AA passes).

Color values

HEX	#12235B
RGB	rgb(18, 35, 91)
HSL	hsl(226, 67%, 21%)
HSV	hsv(226, 80%, 36%)
CMYK	cmyk(80.2%, 61.5%, 0%, 64.3%)
CIE-LAB	lab(15.93, 15.65, -35.64)
CIE-LCH	lch(15.93, 38.93, 293.70°)
OKLab	oklab(28.11% -0.0059 -0.1028)
OKLCH	oklch(28.11% 0.103 266.7)
XYZ	xyz(2.7382, 2.0857, 10.1538)
Luminance	0.0209 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12235B #5B4A12

analogous

#12485B #12235B #26125B

triadic

#12235B #5B1223 #235B12

tetradic

#12235B #5B1248 #5B4A12 #125B26

square

#12235B #5B1248 #5B4A12 #125B26

split-complementary

#12235B #5B2612 #485B12

monochromatic

#050A1A #080F28 #12235B #1C378E #264AC1

Accessibility & contrast

On white

14.82

#12235B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#12235B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12235B

14.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12235B	#FFFFFF	#000000	##FFFFFF
##12235B	1.00	14.82	1.42	14.82
#FFFFFF	14.82	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B5D

Deuteranopia (green-blind)

#00245A

Tritanopia (blue-blind)

#00313B

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #12235b;
/* rgb */ color: rgb(18, 35, 91);
/* oklch */ color: oklch(28.1% 0.103 266.7);

Tailwind

colors: {
  custom: {
    50: '#5c5d8a',
    500: '#12235b',
    950: '#000000',
  },
}

SCSS

$custom: #12235b;
$custom-light: #5c5d8a;
$custom-dark: #000000;

JSON

{
  "hex": "#12235b",
  "rgb": {
    "r": 18,
    "g": 35,
    "b": 91
  },
  "hsl": {
    "h": 226.027,
    "s": 66.972,
    "l": 21.373
  },
  "oklch": {
    "l": 0.28109,
    "c": 0.103,
    "h": 266.7
  },
  "luminance": 0.02086
}

Semantic roles & 50–950 ramp

primary

#12235B

secondary

#937E35

accent

#C23EEA

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#05040C

muted

#79797D

Preview Lab

Preview with #12235B

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

Preview Lab → · Contrast checker → · Palette generator →