#12203D#12203D

#12203D is a very dark, muted blue. Relative luminance 0.015; OKLCH L 24.8% C 0.059 H 263.3°. Best body text is #FFFFFF at 16.16:1 contrast (WCAG AA passes).

Color values

HEX	#12203D
RGB	rgb(18, 32, 61)
HSL	hsl(220, 54%, 15%)
HSV	hsv(220, 70%, 24%)
CMYK	cmyk(70.5%, 47.5%, 0%, 76.1%)
CIE-LAB	lab(12.60, 5.09, -20.44)
CIE-LCH	lch(12.60, 21.07, 283.98°)
OKLab	oklab(24.82% -0.0068 -0.0582)
OKLCH	oklch(24.82% 0.059 263.3)
XYZ	xyz(1.6080, 1.4984, 4.6185)
Luminance	0.0150 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12203D #3D2F12

analogous

#12353D #12203D #19123D

triadic

#12203D #3D1220 #203D12

tetradic

#12203D #3D1235 #3D2F12 #123D19

square

#12203D #3D1235 #3D2F12 #123D19

split-complementary

#12203D #3D1912 #353D12

monochromatic

#070C18 #070C18 #12203D #20396C #2E529C

Accessibility & contrast

On white

16.16

#12203D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#12203D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12203D

16.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12203D	#FFFFFF	#000000	##FFFFFF
##12203D	1.00	16.16	1.30	16.16
#FFFFFF	16.16	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#13233E

Deuteranopia (green-blind)

#0D1F3C

Tritanopia (blue-blind)

#00272B

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #12203d;
/* rgb */ color: rgb(18, 32, 61);
/* oklch */ color: oklch(24.8% 0.059 263.3);

Tailwind

colors: {
  custom: {
    50: '#555b72',
    500: '#12203d',
    950: '#000000',
  },
}

SCSS

$custom: #12203d;
$custom-light: #555b72;
$custom-dark: #000000;

JSON

{
  "hex": "#12203d",
  "rgb": {
    "r": 18,
    "g": 32,
    "b": 61
  },
  "hsl": {
    "h": 220.465,
    "s": 54.43,
    "l": 15.49
  },
  "oklch": {
    "l": 0.24821,
    "c": 0.05859,
    "h": 263.3
  },
  "luminance": 0.01499
}

Semantic roles & 50–950 ramp

primary

#12203D

secondary

#766135

accent

#AE4ADE

background

#F5F5F6

surface

#E9E9EC

border

#C5C5C7

text

#030408

muted

#78797B

Preview Lab

Preview with #12203D

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

Preview Lab → · Contrast checker → · Palette generator →