#182F8F#182F8F

#182F8F is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.9% C 0.160 H 266.9°. Best body text is #FFFFFF at 11.40:1 contrast (WCAG AA passes).

Color values

HEX	#182F8F
RGB	rgb(24, 47, 143)
HSL	hsl(228, 71%, 33%)
HSV	hsv(228, 83%, 56%)
CMYK	cmyk(83.2%, 67.1%, 0%, 43.9%)
CIE-LAB	lab(24.35, 28.94, -55.23)
CIE-LCH	lch(24.35, 62.36, 297.66°)
OKLab	oklab(35.92% -0.0087 -0.16)
OKLCH	oklch(35.92% 0.16 266.9)
XYZ	xyz(6.3494, 4.2096, 26.4592)
Luminance	0.0421 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182F8F #8F7818

analogous

#186B8F #182F8F #3C188F

triadic

#182F8F #8F182F #2F8F18

tetradic

#182F8F #8F186B #8F7818 #188F3C

square

#182F8F #8F186B #8F7818 #188F3C

split-complementary

#182F8F #8F3C18 #6B8F18

monochromatic

#060D26 #0F1E5B #182F8F #2140C3 #4260DF

Accessibility & contrast

On white

11.40

#182F8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#182F8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182F8F

11.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182F8F	#FFFFFF	#000000	##FFFFFF
##182F8F	1.00	11.40	1.84	11.40
#FFFFFF	11.40	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004092

Deuteranopia (green-blind)

#00348D

Tritanopia (blue-blind)

#00495A

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #182f8f;
/* rgb */ color: rgb(24, 47, 143);
/* oklch */ color: oklch(35.9% 0.160 266.9);

Tailwind

colors: {
  custom: {
    50: '#6c67b1',
    500: '#182f8f',
    950: '#000000',
  },
}

SCSS

$custom: #182f8f;
$custom-light: #6c67b1;
$custom-dark: #000000;

JSON

{
  "hex": "#182f8f",
  "rgb": {
    "r": 24,
    "g": 47,
    "b": 143
  },
  "hsl": {
    "h": 228.403,
    "s": 71.257,
    "l": 32.745
  },
  "oklch": {
    "l": 0.35919,
    "c": 0.1602,
    "h": 266.9
  },
  "luminance": 0.0421
}

Semantic roles & 50–950 ramp

primary

#182F8F

secondary

#C0A843

accent

#CB3AEE

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080611

muted

#7B7A80

Preview Lab

Preview with #182F8F

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

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