#182F84#182F84

#182F84 is a dark, vivid blue. Relative luminance 0.039; OKLCH L 34.8% C 0.145 H 266.7°. Best body text is #FFFFFF at 11.81:1 contrast (WCAG AA passes).

Color values

HEX	#182F84
RGB	rgb(24, 47, 132)
HSL	hsl(227, 69%, 31%)
HSV	hsv(227, 82%, 52%)
CMYK	cmyk(81.8%, 64.4%, 0%, 48.2%)
CIE-LAB	lab(23.31, 24.60, -50.08)
CIE-LCH	lch(23.31, 55.80, 296.16°)
OKLab	oklab(34.83% -0.0084 -0.1449)
OKLCH	oklch(34.83% 0.145 266.7)
XYZ	xyz(5.5566, 3.8925, 22.2838)
Luminance	0.0389 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182F84 #846D18

analogous

#186584 #182F84 #371884

triadic

#182F84 #84182F #2F8418

tetradic

#182F84 #841865 #846D18 #188437

square

#182F84 #841865 #846D18 #188437

split-complementary

#182F84 #843718 #658418

monochromatic

#050A1C #0F1D50 #182F84 #2141B8 #3B5DDB

Accessibility & contrast

On white

11.81

#182F84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#182F84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182F84

11.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182F84	#FFFFFF	#000000	##FFFFFF
##182F84	1.00	11.81	1.78	11.81
#FFFFFF	11.81	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D87

Deuteranopia (green-blind)

#003382

Tritanopia (blue-blind)

#004555

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #182f84;
/* rgb */ color: rgb(24, 47, 132);
/* oklch */ color: oklch(34.8% 0.145 266.7);

Tailwind

colors: {
  custom: {
    50: '#6967a9',
    500: '#182f84',
    950: '#000000',
  },
}

SCSS

$custom: #182f84;
$custom-light: #6967a9;
$custom-dark: #000000;

JSON

{
  "hex": "#182f84",
  "rgb": {
    "r": 24,
    "g": 47,
    "b": 132
  },
  "hsl": {
    "h": 227.222,
    "s": 69.231,
    "l": 30.588
  },
  "oklch": {
    "l": 0.34834,
    "c": 0.14513,
    "h": 266.7
  },
  "luminance": 0.03893
}

Semantic roles & 50–950 ramp

primary

#182F84

secondary

#B89E40

accent

#C73CEC

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070610

muted

#7A7A7F

Preview Lab

Preview with #182F84

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

Preview Lab → · Contrast checker → · Palette generator →