#181E7E#181E7E

#181E7E is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.1% C 0.157 H 270.4°. Best body text is #FFFFFF at 13.76:1 contrast (WCAG AA passes).

Color values

HEX	#181E7E
RGB	rgb(24, 30, 126)
HSL	hsl(236, 68%, 29%)
HSV	hsv(236, 81%, 49%)
CMYK	cmyk(81%, 76.2%, 0%, 50.6%)
CIE-LAB	lab(18.49, 33.62, -54.22)
CIE-LCH	lch(18.49, 63.80, 301.80°)
OKLab	oklab(31.14% 0.001 -0.157)
OKLCH	oklch(31.14% 0.157 270.4)
XYZ	xyz(4.6056, 2.6286, 19.9993)
Luminance	0.0263 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181E7E #7E7818

analogous

#18517E #181E7E #45187E

triadic

#181E7E #7E181E #1E7E18

tetradic

#181E7E #7E1851 #7E7818 #187E45

square

#181E7E #7E1851 #7E7818 #187E45

split-complementary

#181E7E #7E4518 #517E18

monochromatic

#05061A #0E124B #181E7E #222AB1 #3741D9

Accessibility & contrast

On white

13.76

#181E7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#181E7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181E7E

13.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181E7E	#FFFFFF	#000000	##FFFFFF
##181E7E	1.00	13.76	1.53	13.76
#FFFFFF	13.76	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003281

Deuteranopia (green-blind)

#00287C

Tritanopia (blue-blind)

#003A4C

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #181e7e;
/* rgb */ color: rgb(24, 30, 126);
/* oklch */ color: oklch(31.1% 0.157 270.4);

Tailwind

colors: {
  custom: {
    50: '#695ba4',
    500: '#181e7e',
    950: '#000000',
  },
}

SCSS

$custom: #181e7e;
$custom-light: #695ba4;
$custom-dark: #000000;

JSON

{
  "hex": "#181e7e",
  "rgb": {
    "r": 24,
    "g": 30,
    "b": 126
  },
  "hsl": {
    "h": 236.471,
    "s": 68,
    "l": 29.412
  },
  "oklch": {
    "l": 0.31141,
    "c": 0.15703,
    "h": 270.4
  },
  "luminance": 0.02629
}

Semantic roles & 50–950 ramp

primary

#181E7E

secondary

#B2AC3F

accent

#E13DEB

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #181E7E

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

Preview Lab → · Contrast checker → · Palette generator →