#182CA1#182CA1

#182CA1 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.3% C 0.187 H 267.3°. Best body text is #FFFFFF at 10.97:1 contrast (WCAG AA passes).

Color values

HEX	#182CA1
RGB	rgb(24, 44, 161)
HSL	hsl(231, 74%, 36%)
HSV	hsv(231, 85%, 63%)
CMYK	cmyk(85.1%, 72.7%, 0%, 36.9%)
CIE-LAB	lab(25.47, 37.69, -64.44)
CIE-LCH	lch(25.47, 74.65, 300.32°)
OKLab	oklab(37.28% -0.0088 -0.1868)
OKLCH	oklch(37.28% 0.187 267.3)
XYZ	xyz(7.7082, 4.5678, 34.1867)
Luminance	0.0457 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182CA1 #A18D18

analogous

#1871A1 #182CA1 #4918A1

triadic

#182CA1 #A1182C #2CA118

tetradic

#182CA1 #A11871 #A18D18 #18A149

square

#182CA1 #A11871 #A18D18 #18A149

split-complementary

#182CA1 #A14918 #71A118

monochromatic

#080F36 #101D6C #182CA1 #203BD6 #4F65E5

Accessibility & contrast

On white

10.97

#182CA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#182CA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182CA1

10.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182CA1	#FFFFFF	#000000	##FFFFFF
##182CA1	1.00	10.97	1.91	10.97
#FFFFFF	10.97	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043A4

Deuteranopia (green-blind)

#00369F

Tritanopia (blue-blind)

#004E63

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #182ca1;
/* rgb */ color: rgb(24, 44, 161);
/* oklch */ color: oklch(37.3% 0.187 267.3);

Tailwind

colors: {
  custom: {
    50: '#7166be',
    500: '#182ca1',
    950: '#000000',
  },
}

SCSS

$custom: #182ca1;
$custom-light: #7166be;
$custom-dark: #000000;

JSON

{
  "hex": "#182ca1",
  "rgb": {
    "r": 24,
    "g": 44,
    "b": 161
  },
  "hsl": {
    "h": 231.241,
    "s": 74.054,
    "l": 36.275
  },
  "oklch": {
    "l": 0.37279,
    "c": 0.18702,
    "h": 267.3
  },
  "luminance": 0.04569
}

Semantic roles & 50–950 ramp

primary

#182CA1

secondary

#C7B54E

accent

#D637F1

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #182CA1

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

Preview Lab → · Contrast checker → · Palette generator →