#181A84#181A84

#181A84 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.3% C 0.169 H 270.5°. Best body text is #FFFFFF at 13.82:1 contrast (WCAG AA passes).

Color values

HEX	#181A84
RGB	rgb(24, 26, 132)
HSL	hsl(239, 69%, 31%)
HSV	hsv(239, 82%, 52%)
CMYK	cmyk(81.8%, 80.3%, 0%, 48.2%)
CIE-LAB	lab(18.36, 38.12, -58.24)
CIE-LCH	lch(18.36, 69.61, 303.20°)
OKLab	oklab(31.25% 0.0013 -0.1687)
OKLCH	oklch(31.25% 0.169 270.5)
XYZ	xyz(4.9095, 2.5984, 22.0681)
Luminance	0.0260 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181A84 #848218

analogous

#185084 #181A84 #4C1884

triadic

#181A84 #84181A #1A8418

tetradic

#181A84 #841850 #848218 #18844C

square

#181A84 #841850 #848218 #18844C

split-complementary

#181A84 #844C18 #508418

monochromatic

#05061C #0F1050 #181A84 #2124B8 #3B3EDB

Accessibility & contrast

On white

13.82

#181A84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#181A84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181A84

13.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181A84	#FFFFFF	#000000	##FFFFFF
##181A84	1.00	13.82	1.52	13.82
#FFFFFF	13.82	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003287

Deuteranopia (green-blind)

#002782

Tritanopia (blue-blind)

#003A4F

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #181a84;
/* rgb */ color: rgb(24, 26, 132);
/* oklch */ color: oklch(31.3% 0.169 270.5);

Tailwind

colors: {
  custom: {
    50: '#6b59a9',
    500: '#181a84',
    950: '#000000',
  },
}

SCSS

$custom: #181a84;
$custom-light: #6b59a9;
$custom-dark: #000000;

JSON

{
  "hex": "#181a84",
  "rgb": {
    "r": 24,
    "g": 26,
    "b": 132
  },
  "hsl": {
    "h": 238.889,
    "s": 69.231,
    "l": 30.588
  },
  "oklch": {
    "l": 0.31253,
    "c": 0.16868,
    "h": 270.5
  },
  "luminance": 0.02599
}

Semantic roles & 50–950 ramp

primary

#181A84

secondary

#B8B640

accent

#E93CEC

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #181A84

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

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