#182A90#182A90

#182A90 is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.1% C 0.167 H 267.8°. Best body text is #FFFFFF at 11.85:1 contrast (WCAG AA passes).

Color values

HEX	#182A90
RGB	rgb(24, 42, 144)
HSL	hsl(231, 71%, 33%)
HSV	hsv(231, 83%, 56%)
CMYK	cmyk(83.3%, 70.8%, 0%, 43.5%)
CIE-LAB	lab(23.21, 32.65, -57.73)
CIE-LCH	lch(23.21, 66.32, 299.49°)
OKLab	oklab(35.12% -0.0064 -0.1673)
OKLCH	oklch(35.12% 0.167 267.8)
XYZ	xyz(6.2369, 3.8630, 26.7971)
Luminance	0.0386 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182A90 #907E18

analogous

#186690 #182A90 #421890

triadic

#182A90 #90182A #2A9018

tetradic

#182A90 #901866 #907E18 #189042

square

#182A90 #901866 #907E18 #189042

split-complementary

#182A90 #904218 #669018

monochromatic

#070B27 #0F1B5C #182A90 #2139C4 #435AE0

Accessibility & contrast

On white

11.85

#182A90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#182A90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182A90

11.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182A90	#FFFFFF	#000000	##FFFFFF
##182A90	1.00	11.85	1.77	11.85
#FFFFFF	11.85	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D93

Deuteranopia (green-blind)

#00328E

Tritanopia (blue-blind)

#004659

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #182a90;
/* rgb */ color: rgb(24, 42, 144);
/* oklch */ color: oklch(35.1% 0.167 267.8);

Tailwind

colors: {
  custom: {
    50: '#6d64b2',
    500: '#182a90',
    950: '#000000',
  },
}

SCSS

$custom: #182a90;
$custom-light: #6d64b2;
$custom-dark: #000000;

JSON

{
  "hex": "#182a90",
  "rgb": {
    "r": 24,
    "g": 42,
    "b": 144
  },
  "hsl": {
    "h": 231,
    "s": 71.429,
    "l": 32.941
  },
  "oklch": {
    "l": 0.35118,
    "c": 0.16738,
    "h": 267.8
  },
  "luminance": 0.03864
}

Semantic roles & 50–950 ramp

primary

#182A90

secondary

#C0AE43

accent

#D33AEE

background

#F7F5FB

surface

#EDEAF6

border

#C8C6D0

text

#080511

muted

#7B7980

Preview Lab

Preview with #182A90

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

Preview Lab → · Contrast checker → · Palette generator →