#18367D#18367D

#18367D is a dark, vivid blue. Relative luminance 0.043; OKLCH L 35.7% C 0.126 H 263.8°. Best body text is #FFFFFF at 11.27:1 contrast (WCAG AA passes).

Color values

HEX	#18367D
RGB	rgb(24, 54, 125)
HSL	hsl(222, 68%, 29%)
HSV	hsv(222, 81%, 49%)
CMYK	cmyk(80.8%, 56.8%, 0%, 51%)
CIE-LAB	lab(24.68, 16.83, -43.45)
CIE-LCH	lch(24.68, 46.60, 291.17°)
OKLab	oklab(35.67% -0.0135 -0.1253)
OKLCH	oklch(35.67% 0.126 263.8)
XYZ	xyz(5.3962, 4.3126, 19.9461)
Luminance	0.0431 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18367D #7D5F18

analogous

#18697D #18367D #2D187D

triadic

#18367D #7D1836 #367D18

tetradic

#18367D #7D1869 #7D5F18 #187D2D

square

#18367D #7D1869 #7D5F18 #187D2D

split-complementary

#18367D #7D2D18 #697D18

monochromatic

#050B1A #0E204A #18367D #224CB0 #3767D9

Accessibility & contrast

On white

11.27

#18367D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#18367D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18367D

11.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18367D	#FFFFFF	#000000	##FFFFFF
##18367D	1.00	11.27	1.86	11.27
#FFFFFF	11.27	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F7F

Deuteranopia (green-blind)

#00367C

Tritanopia (blue-blind)

#004754

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #18367d;
/* rgb */ color: rgb(24, 54, 125);
/* oklch */ color: oklch(35.7% 0.126 263.8);

Tailwind

colors: {
  custom: {
    50: '#666ca3',
    500: '#18367d',
    950: '#000000',
  },
}

SCSS

$custom: #18367d;
$custom-light: #666ca3;
$custom-dark: #000000;

JSON

{
  "hex": "#18367d",
  "rgb": {
    "r": 24,
    "g": 54,
    "b": 125
  },
  "hsl": {
    "h": 222.178,
    "s": 67.785,
    "l": 29.216
  },
  "oklch": {
    "l": 0.35668,
    "c": 0.12605,
    "h": 263.8
  },
  "luminance": 0.04313
}

Semantic roles & 50–950 ramp

primary

#18367D

secondary

#B2903F

accent

#B73DEB

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #18367D

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

Preview Lab → · Contrast checker → · Palette generator →