#182C8E#182C8E

#182C8E is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.3% C 0.162 H 267.5°. Best body text is #FFFFFF at 11.73:1 contrast (WCAG AA passes).

Color values

HEX	#182C8E
RGB	rgb(24, 44, 142)
HSL	hsl(230, 71%, 33%)
HSV	hsv(230, 83%, 56%)
CMYK	cmyk(83.1%, 69%, 0%, 44.3%)
CIE-LAB	lab(23.50, 30.57, -56.02)
CIE-LCH	lch(23.50, 63.82, 298.62°)
OKLab	oklab(35.26% -0.0072 -0.1623)
OKLCH	oklch(35.26% 0.162 267.5)
XYZ	xyz(6.1582, 3.9478, 26.0234)
Luminance	0.0395 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182C8E #8E7A18

analogous

#18678E #182C8E #3F188E

triadic

#182C8E #8E182C #2C8E18

tetradic

#182C8E #8E1867 #8E7A18 #188E3F

square

#182C8E #8E1867 #8E7A18 #188E3F

split-complementary

#182C8E #8E3F18 #678E18

monochromatic

#060C25 #0F1C5A #182C8E #213CC2 #415CDF

Accessibility & contrast

On white

11.73

#182C8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#182C8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182C8E

11.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182C8E	#FFFFFF	#000000	##FFFFFF
##182C8E	1.00	11.73	1.79	11.73
#FFFFFF	11.73	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E91

Deuteranopia (green-blind)

#00328C

Tritanopia (blue-blind)

#004759

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #182c8e;
/* rgb */ color: rgb(24, 44, 142);
/* oklch */ color: oklch(35.3% 0.162 267.5);

Tailwind

colors: {
  custom: {
    50: '#6c65b0',
    500: '#182c8e',
    950: '#000000',
  },
}

SCSS

$custom: #182c8e;
$custom-light: #6c65b0;
$custom-dark: #000000;

JSON

{
  "hex": "#182c8e",
  "rgb": {
    "r": 24,
    "g": 44,
    "b": 142
  },
  "hsl": {
    "h": 229.831,
    "s": 71.084,
    "l": 32.549
  },
  "oklch": {
    "l": 0.35264,
    "c": 0.16243,
    "h": 267.5
  },
  "luminance": 0.03949
}

Semantic roles & 50–950 ramp

primary

#182C8E

secondary

#C0AA42

accent

#CF3AEE

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080511

muted

#7B7A80

Preview Lab

Preview with #182C8E

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

Preview Lab → · Contrast checker → · Palette generator →