#182C7A#182C7A

#182C7A is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.3% C 0.135 H 267.3°. Best body text is #FFFFFF at 12.50:1 contrast (WCAG AA passes).

Color values

HEX	#182C7A
RGB	rgb(24, 44, 122)
HSL	hsl(228, 67%, 29%)
HSV	hsv(228, 80%, 48%)
CMYK	cmyk(80.3%, 63.9%, 0%, 52.2%)
CIE-LAB	lab(21.58, 22.69, -46.60)
CIE-LCH	lch(21.58, 51.83, 295.96°)
OKLab	oklab(33.27% -0.0064 -0.1347)
OKLCH	oklch(33.27% 0.135 267.3)
XYZ	xyz(4.7890, 3.4002, 18.8125)
Luminance	0.0340 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182C7A #7A6618

analogous

#185D7A #182C7A #35187A

triadic

#182C7A #7A182C #2C7A18

tetradic

#182C7A #7A185D #7A6618 #187A35

square

#182C7A #7A185D #7A6618 #187A35

split-complementary

#182C7A #7A3518 #5D7A18

monochromatic

#05091A #0E1A47 #182C7A #223EAD #3556D7

Accessibility & contrast

On white

12.50

#182C7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#182C7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182C7A

12.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182C7A	#FFFFFF	#000000	##FFFFFF
##182C7A	1.00	12.50	1.68	12.50
#FFFFFF	12.50	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00387D

Deuteranopia (green-blind)

#002F79

Tritanopia (blue-blind)

#00404E

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #182c7a;
/* rgb */ color: rgb(24, 44, 122);
/* oklch */ color: oklch(33.3% 0.135 267.3);

Tailwind

colors: {
  custom: {
    50: '#6664a1',
    500: '#182c7a',
    950: '#000000',
  },
}

SCSS

$custom: #182c7a;
$custom-light: #6664a1;
$custom-dark: #000000;

JSON

{
  "hex": "#182c7a",
  "rgb": {
    "r": 24,
    "g": 44,
    "b": 122
  },
  "hsl": {
    "h": 227.755,
    "s": 67.123,
    "l": 28.627
  },
  "oklch": {
    "l": 0.33266,
    "c": 0.13488,
    "h": 267.3
  },
  "luminance": 0.03401
}

Semantic roles & 50–950 ramp

primary

#182C7A

secondary

#AF983F

accent

#C73EEA

background

#F6F6FA

surface

#EBEBF3

border

#C6C6CD

text

#07050F

muted

#7A7A7F

Preview Lab

Preview with #182C7A

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

Preview Lab → · Contrast checker → · Palette generator →