#182B80#182B80

#182B80 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 33.7% C 0.145 H 267.7°. Best body text is #FFFFFF at 12.38:1 contrast (WCAG AA passes).

Color values

HEX	#182B80
RGB	rgb(24, 43, 128)
HSL	hsl(229, 68%, 30%)
HSV	hsv(229, 81%, 50%)
CMYK	cmyk(81.3%, 66.4%, 0%, 49.8%)
CIE-LAB	lab(21.87, 25.78, -49.92)
CIE-LCH	lch(21.87, 56.19, 297.32°)
OKLab	oklab(33.65% -0.0059 -0.1445)
OKLCH	oklch(33.65% 0.145 267.7)
XYZ	xyz(5.1355, 3.4799, 20.8189)
Luminance	0.0348 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182B80 #806D18

analogous

#185F80 #182B80 #391880

triadic

#182B80 #80182B #2B8018

tetradic

#182B80 #80185F #806D18 #188039

square

#182B80 #80185F #806D18 #188039

split-complementary

#182B80 #803918 #5F8018

monochromatic

#05091A #0E1A4C #182B80 #223CB4 #3956DA

Accessibility & contrast

On white

12.38

#182B80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#182B80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182B80

12.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182B80	#FFFFFF	#000000	##FFFFFF
##182B80	1.00	12.38	1.70	12.38
#FFFFFF	12.38	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003983

Deuteranopia (green-blind)

#00307E

Tritanopia (blue-blind)

#004151

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #182b80;
/* rgb */ color: rgb(24, 43, 128);
/* oklch */ color: oklch(33.7% 0.145 267.7);

Tailwind

colors: {
  custom: {
    50: '#6864a6',
    500: '#182b80',
    950: '#000000',
  },
}

SCSS

$custom: #182b80;
$custom-light: #6864a6;
$custom-dark: #000000;

JSON

{
  "hex": "#182b80",
  "rgb": {
    "r": 24,
    "g": 43,
    "b": 128
  },
  "hsl": {
    "h": 229.038,
    "s": 68.421,
    "l": 29.804
  },
  "oklch": {
    "l": 0.33654,
    "c": 0.1446,
    "h": 267.7
  },
  "luminance": 0.0348
}

Semantic roles & 50–950 ramp

primary

#182B80

secondary

#B49F40

accent

#CB3DEB

background

#F6F5FA

surface

#ECEAF4

border

#C7C6CE

text

#07050F

muted

#7A797F

Preview Lab

Preview with #182B80

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

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