#181E7A#181E7A

#181E7A is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.7% C 0.152 H 270.6°. Best body text is #FFFFFF at 13.95:1 contrast (WCAG AA passes).

Color values

HEX	#181E7A
RGB	rgb(24, 30, 122)
HSL	hsl(236, 67%, 29%)
HSV	hsv(236, 80%, 48%)
CMYK	cmyk(80.3%, 75.4%, 0%, 52.2%)
CIE-LAB	lab(18.04, 32.15, -52.41)
CIE-LCH	lch(18.04, 61.49, 301.53°)
OKLab	oklab(30.69% 0.0016 -0.1518)
OKLCH	oklch(30.69% 0.152 270.6)
XYZ	xyz(4.3526, 2.5274, 18.6670)
Luminance	0.0253 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181E7A #7A7418

analogous

#184F7A #181E7A #43187A

triadic

#181E7A #7A181E #1E7A18

tetradic

#181E7A #7A184F #7A7418 #187A43

square

#181E7A #7A184F #7A7418 #187A43

split-complementary

#181E7A #7A4318 #4F7A18

monochromatic

#05061A #0E1147 #181E7A #222BAD #353FD7

Accessibility & contrast

On white

13.95

#181E7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#181E7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181E7A

13.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181E7A	#FFFFFF	#000000	##FFFFFF
##181E7A	1.00	13.95	1.51	13.95
#FFFFFF	13.95	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00317D

Deuteranopia (green-blind)

#002778

Tritanopia (blue-blind)

#00384A

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #181e7a;
/* rgb */ color: rgb(24, 30, 122);
/* oklch */ color: oklch(30.7% 0.152 270.6);

Tailwind

colors: {
  custom: {
    50: '#685aa1',
    500: '#181e7a',
    950: '#000000',
  },
}

SCSS

$custom: #181e7a;
$custom-light: #685aa1;
$custom-dark: #000000;

JSON

{
  "hex": "#181e7a",
  "rgb": {
    "r": 24,
    "g": 30,
    "b": 122
  },
  "hsl": {
    "h": 236.327,
    "s": 67.123,
    "l": 28.627
  },
  "oklch": {
    "l": 0.30688,
    "c": 0.15178,
    "h": 270.6
  },
  "luminance": 0.02528
}

Semantic roles & 50–950 ramp

primary

#181E7A

secondary

#AFA83F

accent

#DF3EEA

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #181E7A

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

Preview Lab → · Contrast checker → · Palette generator →