#18274C#18274C

#18274C is a dark, moderate blue. Relative luminance 0.022; OKLCH L 28.1% C 0.071 H 265.5°. Best body text is #FFFFFF at 14.65:1 contrast (WCAG AA passes).

Color values

HEX	#18274C
RGB	rgb(24, 39, 76)
HSL	hsl(223, 52%, 20%)
HSV	hsv(223, 68%, 30%)
CMYK	cmyk(68.4%, 48.7%, 0%, 70.2%)
CIE-LAB	lab(16.34, 7.42, -24.85)
CIE-LCH	lch(16.34, 25.93, 286.63°)
OKLab	oklab(28.14% -0.0056 -0.0709)
OKLCH	oklch(28.14% 0.071 265.5)
XYZ	xyz(2.4063, 2.1668, 7.1275)
Luminance	0.0217 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18274C #4C3D18

analogous

#18414C #18274C #23184C

triadic

#18274C #4C1827 #274C18

tetradic

#18274C #4C1841 #4C3D18 #184C23

square

#18274C #4C1841 #4C3D18 #184C23

split-complementary

#18274C #4C2318 #414C18

monochromatic

#070C17 #090F1D #18274C #273F7B #3557A9

Accessibility & contrast

On white

14.65

#18274C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#18274C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18274C

14.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18274C	#FFFFFF	#000000	##FFFFFF
##18274C	1.00	14.65	1.43	14.65
#FFFFFF	14.65	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#162B4D

Deuteranopia (green-blind)

#0E264B

Tritanopia (blue-blind)

#002F35

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #18274c;
/* rgb */ color: rgb(24, 39, 76);
/* oklch */ color: oklch(28.1% 0.071 265.5);

Tailwind

colors: {
  custom: {
    50: '#5b607e',
    500: '#18274c',
    950: '#000000',
  },
}

SCSS

$custom: #18274c;
$custom-light: #5b607e;
$custom-dark: #000000;

JSON

{
  "hex": "#18274c",
  "rgb": {
    "r": 24,
    "g": 39,
    "b": 76
  },
  "hsl": {
    "h": 222.692,
    "s": 52,
    "l": 19.608
  },
  "oklch": {
    "l": 0.28135,
    "c": 0.07109,
    "h": 265.5
  },
  "luminance": 0.02167
}

Semantic roles & 50–950 ramp

primary

#18274C

secondary

#836F3D

accent

#B24CDB

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04040A

muted

#79797C

Preview Lab

Preview with #18274C

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

Preview Lab → · Contrast checker → · Palette generator →