#12366D#12366D

#12366D is a dark, moderate blue. Relative luminance 0.039; OKLCH L 34.1% C 0.104 H 259.0°. Best body text is #FFFFFF at 11.84:1 contrast (WCAG AA passes).

Color values

HEX	#12366D
RGB	rgb(18, 54, 109)
HSL	hsl(216, 72%, 25%)
HSV	hsv(216, 83%, 43%)
CMYK	cmyk(83.5%, 50.5%, 0%, 57.3%)
CIE-LAB	lab(23.24, 9.41, -35.60)
CIE-LCH	lch(23.24, 36.83, 284.81°)
OKLab	oklab(34.12% -0.0199 -0.1023)
OKLCH	oklch(34.12% 0.104 259)
XYZ	xyz(4.3279, 3.8705, 14.9840)
Luminance	0.0387 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12366D #6D4912

analogous

#12636D #12366D #1C126D

triadic

#12366D #6D1236 #366D12

tetradic

#12366D #6D1263 #6D4912 #126D1C

square

#12366D #6D1263 #6D4912 #126D1C

split-complementary

#12366D #6D1C12 #636D12

monochromatic

#040D1A #091C38 #12366D #1B50A2 #236AD6

Accessibility & contrast

On white

11.84

#12366D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#12366D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12366D

11.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12366D	#FFFFFF	#000000	##FFFFFF
##12366D	1.00	11.84	1.77	11.84
#FFFFFF	11.84	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#173C6F

Deuteranopia (green-blind)

#00346C

Tritanopia (blue-blind)

#00434C

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #12366d;
/* rgb */ color: rgb(18, 54, 109);
/* oklch */ color: oklch(34.1% 0.104 259.0);

Tailwind

colors: {
  custom: {
    50: '#606c97',
    500: '#12366d',
    950: '#000000',
  },
}

SCSS

$custom: #12366d;
$custom-light: #606c97;
$custom-dark: #000000;

JSON

{
  "hex": "#12366d",
  "rgb": {
    "r": 18,
    "g": 54,
    "b": 109
  },
  "hsl": {
    "h": 216.264,
    "s": 71.654,
    "l": 24.902
  },
  "oklch": {
    "l": 0.3412,
    "c": 0.10425,
    "h": 259
  },
  "luminance": 0.03871
}

Semantic roles & 50–950 ramp

primary

#12366D

secondary

#A47937

accent

#A739EE

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#05060D

muted

#7A7A7E

Preview Lab

Preview with #12366D

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

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