#181E60#181E60

#181E60 is a dark, moderate blue. Relative luminance 0.020; OKLCH L 27.9% C 0.116 H 272.3°. Best body text is #FFFFFF at 15.07:1 contrast (WCAG AA passes).

Color values

HEX	#181E60
RGB	rgb(24, 30, 96)
HSL	hsl(235, 60%, 24%)
HSV	hsv(235, 75%, 38%)
CMYK	cmyk(75%, 68.7%, 0%, 62.4%)
CIE-LAB	lab(15.31, 22.19, -39.97)
CIE-LCH	lch(15.31, 45.71, 299.04°)
OKLab	oklab(27.89% 0.0047 -0.1154)
OKLCH	oklch(27.89% 0.116 272.3)
XYZ	xyz(2.9516, 1.9670, 11.2882)
Luminance	0.0197 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181E60 #605A18

analogous

#184260 #181E60 #361860

triadic

#181E60 #60181E #1E6018

tetradic

#181E60 #601842 #605A18 #186036

square

#181E60 #601842 #605A18 #186036

split-complementary

#181E60 #603618 #426018

monochromatic

#060818 #0C0F2F #181E60 #242D91 #303DC2

Accessibility & contrast

On white

15.07

#181E60 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#181E60 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181E60

15.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181E60	#FFFFFF	#000000	##FFFFFF
##181E60	1.00	15.07	1.39	15.07
#FFFFFF	15.07	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A62

Deuteranopia (green-blind)

#00235F

Tritanopia (blue-blind)

#002F3C

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #181e60;
/* rgb */ color: rgb(24, 30, 96);
/* oklch */ color: oklch(27.9% 0.116 272.3);

Tailwind

colors: {
  custom: {
    50: '#61598e',
    500: '#181e60',
    950: '#000000',
  },
}

SCSS

$custom: #181e60;
$custom-light: #61598e;
$custom-dark: #000000;

JSON

{
  "hex": "#181e60",
  "rgb": {
    "r": 24,
    "g": 30,
    "b": 96
  },
  "hsl": {
    "h": 235,
    "s": 60,
    "l": 23.529
  },
  "oklch": {
    "l": 0.27889,
    "c": 0.11553,
    "h": 272.3
  },
  "luminance": 0.01967
}

Semantic roles & 50–950 ramp

primary

#181E60

secondary

#968F3D

accent

#D645E3

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#05030C

muted

#7A787D

Preview Lab

Preview with #181E60

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

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