#182E7B#182E7B

#182E7B is a dark, vivid blue. Relative luminance 0.036; OKLCH L 33.8% C 0.134 H 266.7°. Best body text is #FFFFFF at 12.24:1 contrast (WCAG AA passes).

Color values

HEX	#182E7B
RGB	rgb(24, 46, 123)
HSL	hsl(227, 67%, 29%)
HSV	hsv(227, 80%, 48%)
CMYK	cmyk(80.5%, 62.6%, 0%, 51.8%)
CIE-LAB	lab(22.22, 21.68, -46.18)
CIE-LCH	lch(22.22, 51.02, 295.15°)
OKLab	oklab(33.77% -0.0077 -0.1335)
OKLCH	oklch(33.77% 0.134 266.7)
XYZ	xyz(4.9276, 3.5777, 19.1659)
Luminance	0.0358 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182E7B #7B6518

analogous

#18607B #182E7B #34187B

triadic

#182E7B #7B182E #2E7B18

tetradic

#182E7B #7B1860 #7B6518 #187B34

square

#182E7B #7B1860 #7B6518 #187B34

split-complementary

#182E7B #7B3418 #607B18

monochromatic

#050A1A #0E1B48 #182E7B #2241AE #365AD8

Accessibility & contrast

On white

12.24

#182E7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#182E7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182E7B

12.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182E7B	#FFFFFF	#000000	##FFFFFF
##182E7B	1.00	12.24	1.72	12.24
#FFFFFF	12.24	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A7E

Deuteranopia (green-blind)

#00317A

Tritanopia (blue-blind)

#00424F

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #182e7b;
/* rgb */ color: rgb(24, 46, 123);
/* oklch */ color: oklch(33.8% 0.134 266.7);

Tailwind

colors: {
  custom: {
    50: '#6666a2',
    500: '#182e7b',
    950: '#000000',
  },
}

SCSS

$custom: #182e7b;
$custom-light: #6666a2;
$custom-dark: #000000;

JSON

{
  "hex": "#182e7b",
  "rgb": {
    "r": 24,
    "g": 46,
    "b": 123
  },
  "hsl": {
    "h": 226.667,
    "s": 67.347,
    "l": 28.824
  },
  "oklch": {
    "l": 0.33772,
    "c": 0.1337,
    "h": 266.7
  },
  "luminance": 0.03578
}

Semantic roles & 50–950 ramp

primary

#182E7B

secondary

#B0973F

accent

#C43EEA

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07050F

muted

#7A7A7F

Preview Lab

Preview with #182E7B

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

Preview Lab → · Contrast checker → · Palette generator →