#181A61#181A61

#181A61 is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.2% C 0.122 H 273.6°. Best body text is #FFFFFF at 15.45:1 contrast (WCAG AA passes).

Color values

HEX	#181A61
RGB	rgb(24, 26, 97)
HSL	hsl(238, 60%, 24%)
HSV	hsv(238, 75%, 38%)
CMYK	cmyk(75.3%, 73.2%, 0%, 62%)
CIE-LAB	lab(14.38, 25.36, -42.17)
CIE-LCH	lch(14.38, 49.20, 301.02°)
OKLab	oklab(27.24% 0.0076 -0.1219)
OKLCH	oklch(27.24% 0.122 273.6)
XYZ	xyz(2.9030, 1.7958, 11.5006)
Luminance	0.0180 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181A61 #615F18

analogous

#183E61 #181A61 #3A1861

triadic

#181A61 #61181A #1A6118

tetradic

#181A61 #61183E #615F18 #18613A

square

#181A61 #61183E #615F18 #18613A

split-complementary

#181A61 #613A18 #3E6118

monochromatic

#060719 #0C0D30 #181A61 #242792 #3034C3

Accessibility & contrast

On white

15.45

#181A61 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#181A61 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181A61

15.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181A61	#FFFFFF	#000000	##FFFFFF
##181A61	1.00	15.45	1.36	15.45
#FFFFFF	15.45	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002863

Deuteranopia (green-blind)

#002160

Tritanopia (blue-blind)

#002D3B

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #181a61;
/* rgb */ color: rgb(24, 26, 97);
/* oklch */ color: oklch(27.2% 0.122 273.6);

Tailwind

colors: {
  custom: {
    50: '#61578f',
    500: '#181a61',
    950: '#000000',
  },
}

SCSS

$custom: #181a61;
$custom-light: #61578f;
$custom-dark: #000000;

JSON

{
  "hex": "#181a61",
  "rgb": {
    "r": 24,
    "g": 26,
    "b": 97
  },
  "hsl": {
    "h": 238.356,
    "s": 60.331,
    "l": 23.725
  },
  "oklch": {
    "l": 0.27239,
    "c": 0.12213,
    "h": 273.6
  },
  "luminance": 0.01796
}

Semantic roles & 50–950 ramp

primary

#181A61

secondary

#97953D

accent

#DF44E3

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06030C

muted

#7A787D

Preview Lab

Preview with #181A61

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

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