#181E5E#181E5E

#181E5E is a dark, moderate blue. Relative luminance 0.019; OKLCH L 27.7% C 0.113 H 272.5°. Best body text is #FFFFFF at 15.15:1 contrast (WCAG AA passes).

Color values

HEX	#181E5E
RGB	rgb(24, 30, 94)
HSL	hsl(235, 59%, 23%)
HSV	hsv(235, 74%, 37%)
CMYK	cmyk(74.5%, 68.1%, 0%, 63.1%)
CIE-LAB	lab(15.12, 21.40, -38.95)
CIE-LCH	lch(15.12, 44.44, 298.78°)
OKLab	oklab(27.69% 0.0048 -0.1125)
OKLCH	oklch(27.69% 0.113 272.5)
XYZ	xyz(2.8607, 1.9306, 10.8094)
Luminance	0.0193 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181E5E #5E5818

analogous

#18415E #181E5E #35185E

triadic

#181E5E #5E181E #1E5E18

tetradic

#181E5E #5E1841 #5E5818 #185E35

square

#181E5E #5E1841 #5E5818 #185E35

split-complementary

#181E5E #5E3518 #415E18

monochromatic

#060818 #0C0E2D #181E5E #242E8F #313DC0

Accessibility & contrast

On white

15.15

#181E5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#181E5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181E5E

15.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181E5E	#FFFFFF	#000000	##FFFFFF
##181E5E	1.00	15.15	1.39	15.15
#FFFFFF	15.15	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002960

Deuteranopia (green-blind)

#00235D

Tritanopia (blue-blind)

#002F3B

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #181e5e;
/* rgb */ color: rgb(24, 30, 94);
/* oklch */ color: oklch(27.7% 0.113 272.5);

Tailwind

colors: {
  custom: {
    50: '#60598c',
    500: '#181e5e',
    950: '#000000',
  },
}

SCSS

$custom: #181e5e;
$custom-light: #60598c;
$custom-dark: #000000;

JSON

{
  "hex": "#181e5e",
  "rgb": {
    "r": 24,
    "g": 30,
    "b": 94
  },
  "hsl": {
    "h": 234.857,
    "s": 59.322,
    "l": 23.137
  },
  "oklch": {
    "l": 0.27687,
    "c": 0.11256,
    "h": 272.5
  },
  "luminance": 0.01931
}

Semantic roles & 50–950 ramp

primary

#181E5E

secondary

#948D3D

accent

#D545E3

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#05030C

muted

#7A787D

Preview Lab

Preview with #181E5E

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

Preview Lab → · Contrast checker → · Palette generator →