#18367F#18367F

#18367F is a dark, vivid blue. Relative luminance 0.044; OKLCH L 35.8% C 0.129 H 264.1°. Best body text is #FFFFFF at 11.21:1 contrast (WCAG AA passes).

Color values

HEX	#18367F
RGB	rgb(24, 54, 127)
HSL	hsl(223, 68%, 30%)
HSV	hsv(223, 81%, 50%)
CMYK	cmyk(81.1%, 57.5%, 0%, 50.2%)
CIE-LAB	lab(24.84, 17.65, -44.45)
CIE-LCH	lch(24.84, 47.83, 291.66°)
OKLab	oklab(35.84% -0.0133 -0.1282)
OKLCH	oklch(35.84% 0.129 264.1)
XYZ	xyz(5.5253, 4.3642, 20.6257)
Luminance	0.0437 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18367F #7F6118

analogous

#186A7F #18367F #2D187F

triadic

#18367F #7F1836 #367F18

tetradic

#18367F #7F186A #7F6118 #187F2D

square

#18367F #7F186A #7F6118 #187F2D

split-complementary

#18367F #7F2D18 #6A7F18

monochromatic

#050B1A #0E204C #18367F #224CB2 #3867D9

Accessibility & contrast

On white

11.21

#18367F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#18367F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18367F

11.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18367F	#FFFFFF	#000000	##FFFFFF
##18367F	1.00	11.21	1.87	11.21
#FFFFFF	11.21	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004082

Deuteranopia (green-blind)

#00367E

Tritanopia (blue-blind)

#004855

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #18367f;
/* rgb */ color: rgb(24, 54, 127);
/* oklch */ color: oklch(35.8% 0.129 264.1);

Tailwind

colors: {
  custom: {
    50: '#676ca5',
    500: '#18367f',
    950: '#000000',
  },
}

SCSS

$custom: #18367f;
$custom-light: #676ca5;
$custom-dark: #000000;

JSON

{
  "hex": "#18367f",
  "rgb": {
    "r": 24,
    "g": 54,
    "b": 127
  },
  "hsl": {
    "h": 222.524,
    "s": 68.212,
    "l": 29.608
  },
  "oklch": {
    "l": 0.35841,
    "c": 0.12894,
    "h": 264.1
  },
  "luminance": 0.04365
}

Semantic roles & 50–950 ramp

primary

#18367F

secondary

#B3923F

accent

#B83DEB

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #18367F

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

Preview Lab → · Contrast checker → · Palette generator →