#182F7A#182F7A

#182F7A is a dark, vivid blue. Relative luminance 0.036; OKLCH L 33.9% C 0.131 H 266.3°. Best body text is #FFFFFF at 12.16:1 contrast (WCAG AA passes).

Color values

HEX	#182F7A
RGB	rgb(24, 47, 122)
HSL	hsl(226, 67%, 29%)
HSV	hsv(226, 80%, 48%)
CMYK	cmyk(80.3%, 61.5%, 0%, 52.2%)
CIE-LAB	lab(22.41, 20.57, -45.24)
CIE-LCH	lch(22.41, 49.69, 294.45°)
OKLab	oklab(33.89% -0.0085 -0.1307)
OKLCH	oklch(33.89% 0.131 266.3)
XYZ	xyz(4.9048, 3.6318, 18.8511)
Luminance	0.0363 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182F7A #7A6318

analogous

#18607A #182F7A #32187A

triadic

#182F7A #7A182F #2F7A18

tetradic

#182F7A #7A1860 #7A6318 #187A32

square

#182F7A #7A1860 #7A6318 #187A32

split-complementary

#182F7A #7A3218 #607A18

monochromatic

#050A1A #0E1B47 #182F7A #2243AD #355BD7

Accessibility & contrast

On white

12.16

#182F7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#182F7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182F7A

12.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182F7A	#FFFFFF	#000000	##FFFFFF
##182F7A	1.00	12.16	1.73	12.16
#FFFFFF	12.16	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A7D

Deuteranopia (green-blind)

#003179

Tritanopia (blue-blind)

#00424F

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #182f7a;
/* rgb */ color: rgb(24, 47, 122);
/* oklch */ color: oklch(33.9% 0.131 266.3);

Tailwind

colors: {
  custom: {
    50: '#6667a1',
    500: '#182f7a',
    950: '#000000',
  },
}

SCSS

$custom: #182f7a;
$custom-light: #6667a1;
$custom-dark: #000000;

JSON

{
  "hex": "#182f7a",
  "rgb": {
    "r": 24,
    "g": 47,
    "b": 122
  },
  "hsl": {
    "h": 225.918,
    "s": 67.123,
    "l": 28.627
  },
  "oklch": {
    "l": 0.33888,
    "c": 0.13096,
    "h": 266.3
  },
  "luminance": 0.03632
}

Semantic roles & 50–950 ramp

primary

#182F7A

secondary

#AF953F

accent

#C23EEA

background

#F6F6FA

surface

#EBEBF3

border

#C6C6CD

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #182F7A

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

Preview Lab → · Contrast checker → · Palette generator →