#182B7B#182B7B

#182B7B is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.2% C 0.138 H 267.6°. Best body text is #FFFFFF at 12.57:1 contrast (WCAG AA passes).

Color values

HEX	#182B7B
RGB	rgb(24, 43, 123)
HSL	hsl(228, 67%, 29%)
HSV	hsv(228, 80%, 48%)
CMYK	cmyk(80.5%, 65%, 0%, 51.8%)
CIE-LAB	lab(21.40, 23.79, -47.53)
CIE-LCH	lch(21.40, 53.15, 296.59°)
OKLab	oklab(33.16% -0.0057 -0.1375)
OKLCH	oklch(33.16% 0.138 267.6)
XYZ	xyz(4.8145, 3.3515, 19.1282)
Luminance	0.0335 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182B7B #7B6818

analogous

#185D7B #182B7B #37187B

triadic

#182B7B #7B182B #2B7B18

tetradic

#182B7B #7B185D #7B6818 #187B37

square

#182B7B #7B185D #7B6818 #187B37

split-complementary

#182B7B #7B3718 #5D7B18

monochromatic

#05091A #0E1948 #182B7B #223DAE #3655D8

Accessibility & contrast

On white

12.57

#182B7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#182B7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182B7B

12.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182B7B	#FFFFFF	#000000	##FFFFFF
##182B7B	1.00	12.57	1.67	12.57
#FFFFFF	12.57	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00387E

Deuteranopia (green-blind)

#002F79

Tritanopia (blue-blind)

#00404E

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #182b7b;
/* rgb */ color: rgb(24, 43, 123);
/* oklch */ color: oklch(33.2% 0.138 267.6);

Tailwind

colors: {
  custom: {
    50: '#6764a2',
    500: '#182b7b',
    950: '#000000',
  },
}

SCSS

$custom: #182b7b;
$custom-light: #6764a2;
$custom-dark: #000000;

JSON

{
  "hex": "#182b7b",
  "rgb": {
    "r": 24,
    "g": 43,
    "b": 123
  },
  "hsl": {
    "h": 228.485,
    "s": 67.347,
    "l": 28.824
  },
  "oklch": {
    "l": 0.33162,
    "c": 0.13759,
    "h": 267.6
  },
  "luminance": 0.03352
}

Semantic roles & 50–950 ramp

primary

#182B7B

secondary

#B09A3F

accent

#C93EEA

background

#F6F5FA

surface

#EBEAF4

border

#C6C6CE

text

#07050F

muted

#7A797F

Preview Lab

Preview with #182B7B

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

Preview Lab → · Contrast checker → · Palette generator →