#182DA1#182DA1

#182DA1 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.4% C 0.186 H 267.2°. Best body text is #FFFFFF at 10.89:1 contrast (WCAG AA passes).

Color values

HEX	#182DA1
RGB	rgb(24, 45, 161)
HSL	hsl(231, 74%, 36%)
HSV	hsv(231, 85%, 63%)
CMYK	cmyk(85.1%, 72%, 0%, 36.9%)
CIE-LAB	lab(25.69, 37.07, -64.07)
CIE-LCH	lch(25.69, 74.02, 300.05°)
OKLab	oklab(37.44% -0.0091 -0.1857)
OKLCH	oklch(37.44% 0.186 267.2)
XYZ	xyz(7.7459, 4.6432, 34.1993)
Luminance	0.0464 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182DA1 #A18C18

analogous

#1872A1 #182DA1 #4818A1

triadic

#182DA1 #A1182D #2DA118

tetradic

#182DA1 #A11872 #A18C18 #18A148

square

#182DA1 #A11872 #A18C18 #18A148

split-complementary

#182DA1 #A14818 #72A118

monochromatic

#080F36 #101E6C #182DA1 #203CD6 #4F66E5

Accessibility & contrast

On white

10.89

#182DA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#182DA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182DA1

10.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182DA1	#FFFFFF	#000000	##FFFFFF
##182DA1	1.00	10.89	1.93	10.89
#FFFFFF	10.89	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044A4

Deuteranopia (green-blind)

#00369F

Tritanopia (blue-blind)

#004E64

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #182da1;
/* rgb */ color: rgb(24, 45, 161);
/* oklch */ color: oklch(37.4% 0.186 267.2);

Tailwind

colors: {
  custom: {
    50: '#7166be',
    500: '#182da1',
    950: '#000000',
  },
}

SCSS

$custom: #182da1;
$custom-light: #7166be;
$custom-dark: #000000;

JSON

{
  "hex": "#182da1",
  "rgb": {
    "r": 24,
    "g": 45,
    "b": 161
  },
  "hsl": {
    "h": 230.803,
    "s": 74.054,
    "l": 36.275
  },
  "oklch": {
    "l": 0.37443,
    "c": 0.18594,
    "h": 267.2
  },
  "luminance": 0.04644
}

Semantic roles & 50–950 ramp

primary

#182DA1

secondary

#C7B44E

accent

#D437F1

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #182DA1

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

Preview Lab → · Contrast checker → · Palette generator →