#181E7F#181E7F

#181E7F is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.3% C 0.158 H 270.3°. Best body text is #FFFFFF at 13.72:1 contrast (WCAG AA passes).

Color values

HEX	#181E7F
RGB	rgb(24, 30, 127)
HSL	hsl(237, 68%, 30%)
HSV	hsv(237, 81%, 50%)
CMYK	cmyk(81.1%, 76.4%, 0%, 50.2%)
CIE-LAB	lab(18.60, 33.98, -54.67)
CIE-LCH	lch(18.60, 64.37, 301.87°)
OKLab	oklab(31.26% 0.0008 -0.1583)
OKLCH	oklch(31.26% 0.158 270.3)
XYZ	xyz(4.6704, 2.6545, 20.3408)
Luminance	0.0266 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181E7F #7F7918

analogous

#18527F #181E7F #46187F

triadic

#181E7F #7F181E #1E7F18

tetradic

#181E7F #7F1852 #7F7918 #187F46

square

#181E7F #7F1852 #7F7918 #187F46

split-complementary

#181E7F #7F4618 #527F18

monochromatic

#05061A #0E124C #181E7F #222AB2 #3841D9

Accessibility & contrast

On white

13.72

#181E7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#181E7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181E7F

13.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181E7F	#FFFFFF	#000000	##FFFFFF
##181E7F	1.00	13.72	1.53	13.72
#FFFFFF	13.72	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003282

Deuteranopia (green-blind)

#00287D

Tritanopia (blue-blind)

#003A4D

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #181e7f;
/* rgb */ color: rgb(24, 30, 127);
/* oklch */ color: oklch(31.3% 0.158 270.3);

Tailwind

colors: {
  custom: {
    50: '#695ba5',
    500: '#181e7f',
    950: '#000000',
  },
}

SCSS

$custom: #181e7f;
$custom-light: #695ba5;
$custom-dark: #000000;

JSON

{
  "hex": "#181e7f",
  "rgb": {
    "r": 24,
    "g": 30,
    "b": 127
  },
  "hsl": {
    "h": 236.505,
    "s": 68.212,
    "l": 29.608
  },
  "oklch": {
    "l": 0.31255,
    "c": 0.15834,
    "h": 270.3
  },
  "luminance": 0.02655
}

Semantic roles & 50–950 ramp

primary

#181E7F

secondary

#B3AD3F

accent

#E13DEB

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #181E7F

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

Preview Lab → · Contrast checker → · Palette generator →