#182F8E#182F8E

#182F8E is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.8% C 0.159 H 266.9°. Best body text is #FFFFFF at 11.44:1 contrast (WCAG AA passes).

Color values

HEX	#182F8E
RGB	rgb(24, 47, 142)
HSL	hsl(228, 71%, 33%)
HSV	hsv(228, 83%, 56%)
CMYK	cmyk(83.1%, 66.9%, 0%, 44.3%)
CIE-LAB	lab(24.26, 28.55, -54.77)
CIE-LCH	lch(24.26, 61.77, 297.53°)
OKLab	oklab(35.82% -0.0087 -0.1586)
OKLCH	oklch(35.82% 0.159 266.9)
XYZ	xyz(6.2740, 4.1795, 26.0620)
Luminance	0.0418 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182F8E #8E7718

analogous

#186A8E #182F8E #3C188E

triadic

#182F8E #8E182F #2F8E18

tetradic

#182F8E #8E186A #8E7718 #188E3C

square

#182F8E #8E186A #8E7718 #188E3C

split-complementary

#182F8E #8E3C18 #6A8E18

monochromatic

#060C25 #0F1E5A #182F8E #2140C2 #4160DF

Accessibility & contrast

On white

11.44

#182F8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#182F8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182F8E

11.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182F8E	#FFFFFF	#000000	##FFFFFF
##182F8E	1.00	11.44	1.84	11.44
#FFFFFF	11.44	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F91

Deuteranopia (green-blind)

#00348C

Tritanopia (blue-blind)

#00485A

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #182f8e;
/* rgb */ color: rgb(24, 47, 142);
/* oklch */ color: oklch(35.8% 0.159 266.9);

Tailwind

colors: {
  custom: {
    50: '#6c67b0',
    500: '#182f8e',
    950: '#000000',
  },
}

SCSS

$custom: #182f8e;
$custom-light: #6c67b0;
$custom-dark: #000000;

JSON

{
  "hex": "#182f8e",
  "rgb": {
    "r": 24,
    "g": 47,
    "b": 142
  },
  "hsl": {
    "h": 228.305,
    "s": 71.084,
    "l": 32.549
  },
  "oklch": {
    "l": 0.35818,
    "c": 0.15886,
    "h": 266.9
  },
  "luminance": 0.0418
}

Semantic roles & 50–950 ramp

primary

#182F8E

secondary

#C0A742

accent

#CB3AEE

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#080611

muted

#7B7A80

Preview Lab

Preview with #182F8E

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

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