#18274E#18274E

#18274E is a dark, moderate blue. Relative luminance 0.022; OKLCH L 28.3% C 0.074 H 266.0°. Best body text is #FFFFFF at 14.59:1 contrast (WCAG AA passes).

Color values

HEX	#18274E
RGB	rgb(24, 39, 78)
HSL	hsl(223, 53%, 20%)
HSV	hsv(223, 69%, 31%)
CMYK	cmyk(69.2%, 50%, 0%, 69.4%)
CIE-LAB	lab(16.48, 8.24, -25.98)
CIE-LCH	lch(16.48, 27.26, 287.60°)
OKLab	oklab(28.29% -0.0052 -0.0742)
OKLCH	oklch(28.29% 0.074 266)
XYZ	xyz(2.4769, 2.1951, 7.4994)
Luminance	0.0220 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18274E #4E3F18

analogous

#18424E #18274E #24184E

triadic

#18274E #4E1827 #274E18

tetradic

#18274E #4E1842 #4E3F18 #184E24

square

#18274E #4E1842 #4E3F18 #184E24

split-complementary

#18274E #4E2418 #424E18

monochromatic

#070C17 #0A101F #18274E #263E7D #3556AC

Accessibility & contrast

On white

14.59

#18274E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#18274E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18274E

14.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18274E	#FFFFFF	#000000	##FFFFFF
##18274E	1.00	14.59	1.44	14.59
#FFFFFF	14.59	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#142B4F

Deuteranopia (green-blind)

#0B264D

Tritanopia (blue-blind)

#003036

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #18274e;
/* rgb */ color: rgb(24, 39, 78);
/* oklch */ color: oklch(28.3% 0.074 266.0);

Tailwind

colors: {
  custom: {
    50: '#5b6080',
    500: '#18274e',
    950: '#000000',
  },
}

SCSS

$custom: #18274e;
$custom-light: #5b6080;
$custom-dark: #000000;

JSON

{
  "hex": "#18274e",
  "rgb": {
    "r": 24,
    "g": 39,
    "b": 78
  },
  "hsl": {
    "h": 223.333,
    "s": 52.941,
    "l": 20
  },
  "oklch": {
    "l": 0.28287,
    "c": 0.07439,
    "h": 266
  },
  "luminance": 0.02195
}

Semantic roles & 50–950 ramp

primary

#18274E

secondary

#85713D

accent

#B44BDC

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04040A

muted

#79797C

Preview Lab

Preview with #18274E

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

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