#12203F#12203F

#12203F is a very dark, moderate blue. Relative luminance 0.015; OKLCH L 25.0% C 0.062 H 264.1°. Best body text is #FFFFFF at 16.10:1 contrast (WCAG AA passes).

Color values

HEX	#12203F
RGB	rgb(18, 32, 63)
HSL	hsl(221, 56%, 16%)
HSV	hsv(221, 71%, 25%)
CMYK	cmyk(71.4%, 49.2%, 0%, 75.3%)
CIE-LAB	lab(12.74, 5.93, -21.63)
CIE-LCH	lch(12.74, 22.43, 285.34°)
OKLab	oklab(24.97% -0.0063 -0.0617)
OKLCH	oklch(24.97% 0.062 264.1)
XYZ	xyz(1.6629, 1.5204, 4.9075)
Luminance	0.0152 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12203F #3F3112

analogous

#12363F #12203F #1A123F

triadic

#12203F #3F1220 #203F12

tetradic

#12203F #3F1236 #3F3112 #123F1A

square

#12203F #3F1236 #3F3112 #123F1A

split-complementary

#12203F #3F1A12 #363F12

monochromatic

#070C18 #070C18 #12203F #20386F #2D509E

Accessibility & contrast

On white

16.10

#12203F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#12203F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12203F

16.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12203F	#FFFFFF	#000000	##FFFFFF
##12203F	1.00	16.10	1.30	16.10
#FFFFFF	16.10	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#122340

Deuteranopia (green-blind)

#0B1F3E

Tritanopia (blue-blind)

#00272C

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #12203f;
/* rgb */ color: rgb(18, 32, 63);
/* oklch */ color: oklch(25.0% 0.062 264.1);

Tailwind

colors: {
  custom: {
    50: '#555b74',
    500: '#12203f',
    950: '#000000',
  },
}

SCSS

$custom: #12203f;
$custom-light: #555b74;
$custom-dark: #000000;

JSON

{
  "hex": "#12203f",
  "rgb": {
    "r": 18,
    "g": 32,
    "b": 63
  },
  "hsl": {
    "h": 221.333,
    "s": 55.556,
    "l": 15.882
  },
  "oklch": {
    "l": 0.24973,
    "c": 0.062,
    "h": 264.1
  },
  "luminance": 0.01521
}

Semantic roles & 50–950 ramp

primary

#12203F

secondary

#786335

accent

#B049DF

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030408

muted

#78797B

Preview Lab

Preview with #12203F

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

Preview Lab → · Contrast checker → · Palette generator →