#182A7B#182A7B

#182A7B is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.0% C 0.139 H 267.9°. Best body text is #FFFFFF at 12.68:1 contrast (WCAG AA passes).

Color values

HEX	#182A7B
RGB	rgb(24, 42, 123)
HSL	hsl(229, 67%, 29%)
HSV	hsv(229, 80%, 48%)
CMYK	cmyk(80.5%, 65.9%, 0%, 51.8%)
CIE-LAB	lab(21.13, 24.49, -47.97)
CIE-LCH	lch(21.13, 53.86, 297.05°)
OKLab	oklab(32.96% -0.0051 -0.1388)
OKLCH	oklch(32.96% 0.139 267.9)
XYZ	xyz(4.7786, 3.2796, 19.1162)
Luminance	0.0328 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182A7B #7B6918

analogous

#185C7B #182A7B #38187B

triadic

#182A7B #7B182A #2A7B18

tetradic

#182A7B #7B185C #7B6918 #187B38

square

#182A7B #7B185C #7B6918 #187B38

split-complementary

#182A7B #7B3818 #5C7B18

monochromatic

#05091A #0E1948 #182A7B #223BAE #3653D8

Accessibility & contrast

On white

12.68

#182A7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#182A7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182A7B

12.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182A7B	#FFFFFF	#000000	##FFFFFF
##182A7B	1.00	12.68	1.66	12.68
#FFFFFF	12.68	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00387E

Deuteranopia (green-blind)

#002E79

Tritanopia (blue-blind)

#003F4E

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #182a7b;
/* rgb */ color: rgb(24, 42, 123);
/* oklch */ color: oklch(33.0% 0.139 267.9);

Tailwind

colors: {
  custom: {
    50: '#6763a2',
    500: '#182a7b',
    950: '#000000',
  },
}

SCSS

$custom: #182a7b;
$custom-light: #6763a2;
$custom-dark: #000000;

JSON

{
  "hex": "#182a7b",
  "rgb": {
    "r": 24,
    "g": 42,
    "b": 123
  },
  "hsl": {
    "h": 229.091,
    "s": 67.347,
    "l": 28.824
  },
  "oklch": {
    "l": 0.32963,
    "c": 0.13886,
    "h": 267.9
  },
  "luminance": 0.0328
}

Semantic roles & 50–950 ramp

primary

#182A7B

secondary

#B09B3F

accent

#CB3EEA

background

#F6F5FA

surface

#EBEAF4

border

#C6C6CE

text

#07050F

muted

#7A797F

Preview Lab

Preview with #182A7B

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

Preview Lab → · Contrast checker → · Palette generator →