#18276E#18276E

#18276E is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.1% C 0.124 H 268.7°. Best body text is #FFFFFF at 13.51:1 contrast (WCAG AA passes).

Color values

HEX	#18276E
RGB	rgb(24, 39, 110)
HSL	hsl(230, 64%, 26%)
HSV	hsv(230, 78%, 43%)
CMYK	cmyk(78.2%, 64.5%, 0%, 56.9%)
CIE-LAB	lab(19.10, 21.39, -42.95)
CIE-LCH	lch(19.10, 47.98, 296.47°)
OKLab	oklab(31.09% -0.0027 -0.1241)
OKLCH	oklch(31.09% 0.124 268.7)
XYZ	xyz(3.9157, 2.7706, 15.0772)
Luminance	0.0277 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18276E #6E5F18

analogous

#18526E #18276E #34186E

triadic

#18276E #6E1827 #276E18

tetradic

#18276E #6E1852 #6E5F18 #186E34

square

#18276E #6E1852 #6E5F18 #186E34

split-complementary

#18276E #6E3418 #526E18

monochromatic

#050919 #0D153C #18276E #2339A0 #2F4BD2

Accessibility & contrast

On white

13.51

#18276E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#18276E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18276E

13.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18276E	#FFFFFF	#000000	##FFFFFF
##18276E	1.00	13.51	1.55	13.51
#FFFFFF	13.51	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003270

Deuteranopia (green-blind)

#002A6D

Tritanopia (blue-blind)

#003946

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #18276e;
/* rgb */ color: rgb(24, 39, 110);
/* oklch */ color: oklch(31.1% 0.124 268.7);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#18276e",
  "rgb": {
    "r": 24,
    "g": 39,
    "b": 110
  },
  "hsl": {
    "h": 229.535,
    "s": 64.179,
    "l": 26.275
  },
  "oklch": {
    "l": 0.31088,
    "c": 0.12413,
    "h": 268.7
  },
  "luminance": 0.02771
}

Semantic roles & 50–950 ramp

primary

#18276E

secondary

#A4923E

accent

#CA41E7

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06050E

muted

#7A797E

Preview Lab

Preview with #18276E

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

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