#181E7D#181E7D

#181E7D is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.0% C 0.156 H 270.4°. Best body text is #FFFFFF at 13.81:1 contrast (WCAG AA passes).

Color values

HEX	#181E7D
RGB	rgb(24, 30, 125)
HSL	hsl(236, 68%, 29%)
HSV	hsv(236, 81%, 49%)
CMYK	cmyk(80.8%, 76%, 0%, 51%)
CIE-LAB	lab(18.38, 33.25, -53.77)
CIE-LCH	lch(18.38, 63.22, 301.73°)
OKLab	oklab(31.03% 0.0011 -0.1557)
OKLCH	oklch(31.03% 0.156 270.4)
XYZ	xyz(4.5414, 2.6029, 19.6611)
Luminance	0.0260 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181E7D #7D7718

analogous

#18517D #181E7D #45187D

triadic

#181E7D #7D181E #1E7D18

tetradic

#181E7D #7D1851 #7D7718 #187D45

square

#181E7D #7D1851 #7D7718 #187D45

split-complementary

#181E7D #7D4518 #517D18

monochromatic

#05061A #0E124A #181E7D #222AB0 #3740D9

Accessibility & contrast

On white

13.81

#181E7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#181E7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181E7D

13.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181E7D	#FFFFFF	#000000	##FFFFFF
##181E7D	1.00	13.81	1.52	13.81
#FFFFFF	13.81	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003280

Deuteranopia (green-blind)

#00287B

Tritanopia (blue-blind)

#003A4C

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #181e7d;
/* rgb */ color: rgb(24, 30, 125);
/* oklch */ color: oklch(31.0% 0.156 270.4);

Tailwind

colors: {
  custom: {
    50: '#695ba4',
    500: '#181e7d',
    950: '#000000',
  },
}

SCSS

$custom: #181e7d;
$custom-light: #695ba4;
$custom-dark: #000000;

JSON

{
  "hex": "#181e7d",
  "rgb": {
    "r": 24,
    "g": 30,
    "b": 125
  },
  "hsl": {
    "h": 236.436,
    "s": 67.785,
    "l": 29.216
  },
  "oklch": {
    "l": 0.31027,
    "c": 0.15573,
    "h": 270.4
  },
  "luminance": 0.02603
}

Semantic roles & 50–950 ramp

primary

#181E7D

secondary

#B2AB3F

accent

#E03DEB

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #181E7D

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

Preview Lab → · Contrast checker → · Palette generator →