#12203A#12203A

#12203A is a very dark, muted blue. Relative luminance 0.015; OKLCH L 24.6% C 0.053 H 261.8°. Best body text is #FFFFFF at 16.24:1 contrast (WCAG AA passes).

Color values

HEX	#12203A
RGB	rgb(18, 32, 58)
HSL	hsl(219, 53%, 15%)
HSV	hsv(219, 69%, 23%)
CMYK	cmyk(69%, 44.8%, 0%, 77.3%)
CIE-LAB	lab(12.40, 3.83, -18.64)
CIE-LCH	lch(12.40, 19.03, 281.61°)
OKLab	oklab(24.6% -0.0076 -0.0529)
OKLCH	oklch(24.6% 0.053 261.8)
XYZ	xyz(1.5294, 1.4670, 4.2047)
Luminance	0.0147 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12203A #3A2C12

analogous

#12343A #12203A #18123A

triadic

#12203A #3A1220 #203A12

tetradic

#12203A #3A1234 #3A2C12 #123A18

square

#12203A #3A1234 #3A2C12 #123A18

split-complementary

#12203A #3A1812 #343A12

monochromatic

#070D17 #070D17 #12203A #203A69 #2F5497

Accessibility & contrast

On white

16.24

#12203A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#12203A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12203A

16.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12203A	#FFFFFF	#000000	##FFFFFF
##12203A	1.00	16.24	1.29	16.24
#FFFFFF	16.24	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#15223B

Deuteranopia (green-blind)

#101F39

Tritanopia (blue-blind)

#00262A

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #12203a;
/* rgb */ color: rgb(18, 32, 58);
/* oklch */ color: oklch(24.6% 0.053 261.8);

Tailwind

colors: {
  custom: {
    50: '#545b70',
    500: '#12203a',
    950: '#000000',
  },
}

SCSS

$custom: #12203a;
$custom-light: #545b70;
$custom-dark: #000000;

JSON

{
  "hex": "#12203a",
  "rgb": {
    "r": 18,
    "g": 32,
    "b": 58
  },
  "hsl": {
    "h": 219,
    "s": 52.632,
    "l": 14.902
  },
  "oklch": {
    "l": 0.24599,
    "c": 0.05345,
    "h": 261.8
  },
  "luminance": 0.01467
}

Semantic roles & 50–950 ramp

primary

#12203A

secondary

#735D35

accent

#AA4CDC

background

#F5F5F6

surface

#E8E9EC

border

#C4C5C7

text

#030407

muted

#78797A

Preview Lab

Preview with #12203A

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

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