#182C7B#182C7B

#182C7B is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.4% C 0.136 H 267.3°. Best body text is #FFFFFF at 12.46:1 contrast (WCAG AA passes).

Color values

HEX	#182C7B
RGB	rgb(24, 44, 123)
HSL	hsl(228, 67%, 29%)
HSV	hsv(228, 80%, 48%)
CMYK	cmyk(80.5%, 64.2%, 0%, 51.8%)
CIE-LAB	lab(21.67, 23.09, -47.09)
CIE-LCH	lch(21.67, 52.44, 296.13°)
OKLab	oklab(33.36% -0.0064 -0.1361)
OKLCH	oklch(33.36% 0.136 267.3)
XYZ	xyz(4.8513, 3.4251, 19.1405)
Luminance	0.0343 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182C7B #7B6718

analogous

#185E7B #182C7B #36187B

triadic

#182C7B #7B182C #2C7B18

tetradic

#182C7B #7B185E #7B6718 #187B36

square

#182C7B #7B185E #7B6718 #187B36

split-complementary

#182C7B #7B3618 #5E7B18

monochromatic

#05091A #0E1A48 #182C7B #223EAE #3656D8

Accessibility & contrast

On white

12.46

#182C7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#182C7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182C7B

12.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182C7B	#FFFFFF	#000000	##FFFFFF
##182C7B	1.00	12.46	1.69	12.46
#FFFFFF	12.46	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00397E

Deuteranopia (green-blind)

#002F79

Tritanopia (blue-blind)

#00404F

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #182c7b;
/* rgb */ color: rgb(24, 44, 123);
/* oklch */ color: oklch(33.4% 0.136 267.3);

Tailwind

colors: {
  custom: {
    50: '#6764a2',
    500: '#182c7b',
    950: '#000000',
  },
}

SCSS

$custom: #182c7b;
$custom-light: #6764a2;
$custom-dark: #000000;

JSON

{
  "hex": "#182c7b",
  "rgb": {
    "r": 24,
    "g": 44,
    "b": 123
  },
  "hsl": {
    "h": 227.879,
    "s": 67.347,
    "l": 28.824
  },
  "oklch": {
    "l": 0.33363,
    "c": 0.1363,
    "h": 267.3
  },
  "luminance": 0.03426
}

Semantic roles & 50–950 ramp

primary

#182C7B

secondary

#B0993F

accent

#C73EEA

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07050F

muted

#7A7A7F

Preview Lab

Preview with #182C7B

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

Preview Lab → · Contrast checker → · Palette generator →