#181E61#181E61

#181E61 is a dark, moderate blue. Relative luminance 0.020; OKLCH L 28.0% C 0.117 H 272.3°. Best body text is #FFFFFF at 15.03:1 contrast (WCAG AA passes).

Color values

HEX	#181E61
RGB	rgb(24, 30, 97)
HSL	hsl(235, 60%, 24%)
HSV	hsv(235, 75%, 38%)
CMYK	cmyk(75.3%, 69.1%, 0%, 62%)
CIE-LAB	lab(15.41, 22.59, -40.47)
CIE-LCH	lch(15.41, 46.35, 299.17°)
OKLab	oklab(27.99% 0.0046 -0.1169)
OKLCH	oklch(27.99% 0.117 272.3)
XYZ	xyz(2.9979, 1.9855, 11.5322)
Luminance	0.0199 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181E61 #615B18

analogous

#184261 #181E61 #361861

triadic

#181E61 #61181E #1E6118

tetradic

#181E61 #611842 #615B18 #186136

square

#181E61 #611842 #615B18 #186136

split-complementary

#181E61 #613618 #426118

monochromatic

#060819 #0C0F30 #181E61 #242D92 #303CC3

Accessibility & contrast

On white

15.03

#181E61 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#181E61 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181E61

15.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181E61	#FFFFFF	#000000	##FFFFFF
##181E61	1.00	15.03	1.40	15.03
#FFFFFF	15.03	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A63

Deuteranopia (green-blind)

#002360

Tritanopia (blue-blind)

#00303C

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #181e61;
/* rgb */ color: rgb(24, 30, 97);
/* oklch */ color: oklch(28.0% 0.117 272.3);

Tailwind

colors: {
  custom: {
    50: '#615a8f',
    500: '#181e61',
    950: '#000000',
  },
}

SCSS

$custom: #181e61;
$custom-light: #615a8f;
$custom-dark: #000000;

JSON

{
  "hex": "#181e61",
  "rgb": {
    "r": 24,
    "g": 30,
    "b": 97
  },
  "hsl": {
    "h": 235.068,
    "s": 60.331,
    "l": 23.725
  },
  "oklch": {
    "l": 0.27991,
    "c": 0.117,
    "h": 272.3
  },
  "luminance": 0.01986
}

Semantic roles & 50–950 ramp

primary

#181E61

secondary

#97903D

accent

#D644E3

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#05030C

muted

#7A787D

Preview Lab

Preview with #181E61

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

Preview Lab → · Contrast checker → · Palette generator →