#182C8F#182C8F

#182C8F is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.4% C 0.164 H 267.5°. Best body text is #FFFFFF at 11.69:1 contrast (WCAG AA passes).

Color values

HEX	#182C8F
RGB	rgb(24, 44, 143)
HSL	hsl(230, 71%, 33%)
HSV	hsv(230, 83%, 56%)
CMYK	cmyk(83.2%, 69.2%, 0%, 43.9%)
CIE-LAB	lab(23.60, 30.95, -56.47)
CIE-LCH	lch(23.60, 64.40, 298.73°)
OKLab	oklab(35.37% -0.0072 -0.1636)
OKLCH	oklch(35.37% 0.164 267.5)
XYZ	xyz(6.2336, 3.9780, 26.4206)
Luminance	0.0398 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182C8F #8F7B18

analogous

#18678F #182C8F #40188F

triadic

#182C8F #8F182C #2C8F18

tetradic

#182C8F #8F1867 #8F7B18 #188F40

square

#182C8F #8F1867 #8F7B18 #188F40

split-complementary

#182C8F #8F4018 #678F18

monochromatic

#060C26 #0F1C5B #182C8F #213CC3 #425DDF

Accessibility & contrast

On white

11.69

#182C8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#182C8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182C8F

11.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182C8F	#FFFFFF	#000000	##FFFFFF
##182C8F	1.00	11.69	1.80	11.69
#FFFFFF	11.69	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E92

Deuteranopia (green-blind)

#00338D

Tritanopia (blue-blind)

#004759

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #182c8f;
/* rgb */ color: rgb(24, 44, 143);
/* oklch */ color: oklch(35.4% 0.164 267.5);

Tailwind

colors: {
  custom: {
    50: '#6c65b1',
    500: '#182c8f',
    950: '#000000',
  },
}

SCSS

$custom: #182c8f;
$custom-light: #6c65b1;
$custom-dark: #000000;

JSON

{
  "hex": "#182c8f",
  "rgb": {
    "r": 24,
    "g": 44,
    "b": 143
  },
  "hsl": {
    "h": 229.916,
    "s": 71.257,
    "l": 32.745
  },
  "oklch": {
    "l": 0.35367,
    "c": 0.16376,
    "h": 267.5
  },
  "luminance": 0.03979
}

Semantic roles & 50–950 ramp

primary

#182C8F

secondary

#C0AB43

accent

#D03AEE

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080511

muted

#7B7A80

Preview Lab

Preview with #182C8F

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

Preview Lab → · Contrast checker → · Palette generator →