#18276D#18276D

#18276D is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.0% C 0.123 H 268.7°. Best body text is #FFFFFF at 13.55:1 contrast (WCAG AA passes).

Color values

HEX	#18276D
RGB	rgb(24, 39, 109)
HSL	hsl(229, 64%, 26%)
HSV	hsv(229, 78%, 43%)
CMYK	cmyk(78%, 64.2%, 0%, 57.3%)
CIE-LAB	lab(19.01, 20.99, -42.45)
CIE-LCH	lch(19.01, 47.36, 296.31°)
OKLab	oklab(30.99% -0.0027 -0.1226)
OKLCH	oklch(30.99% 0.123 268.7)
XYZ	xyz(3.8616, 2.7489, 14.7921)
Luminance	0.0275 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18276D #6D5E18

analogous

#18516D #18276D #33186D

triadic

#18276D #6D1827 #276D18

tetradic

#18276D #6D1851 #6D5E18 #186D33

square

#18276D #6D1851 #6D5E18 #186D33

split-complementary

#18276D #6D3318 #516D18

monochromatic

#060919 #0D153B #18276D #23399F #2E4BD1

Accessibility & contrast

On white

13.55

#18276D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#18276D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18276D

13.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18276D	#FFFFFF	#000000	##FFFFFF
##18276D	1.00	13.55	1.55	13.55
#FFFFFF	13.55	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00326F

Deuteranopia (green-blind)

#002A6C

Tritanopia (blue-blind)

#003946

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #18276d;
/* rgb */ color: rgb(24, 39, 109);
/* oklch */ color: oklch(31.0% 0.123 268.7);

Tailwind

colors: {
  custom: {
    50: '#636098',
    500: '#18276d',
    950: '#000000',
  },
}

SCSS

$custom: #18276d;
$custom-light: #636098;
$custom-dark: #000000;

JSON

{
  "hex": "#18276d",
  "rgb": {
    "r": 24,
    "g": 39,
    "b": 109
  },
  "hsl": {
    "h": 229.412,
    "s": 63.91,
    "l": 26.078
  },
  "oklch": {
    "l": 0.30992,
    "c": 0.12266,
    "h": 268.7
  },
  "luminance": 0.02749
}

Semantic roles & 50–950 ramp

primary

#18276D

secondary

#A3913E

accent

#CA41E7

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06050E

muted

#7A797E

Preview Lab

Preview with #18276D

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

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