#182371#182371

#182371 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 30.6% C 0.134 H 269.9°. Best body text is #FFFFFF at 13.84:1 contrast (WCAG AA passes).

Color values

HEX	#182371
RGB	rgb(24, 35, 113)
HSL	hsl(233, 65%, 27%)
HSV	hsv(233, 79%, 44%)
CMYK	cmyk(78.8%, 69%, 0%, 55.7%)
CIE-LAB	lab(18.31, 25.40, -46.18)
CIE-LCH	lch(18.31, 52.71, 298.81°)
OKLab	oklab(30.6% -0.0001 -0.1336)
OKLCH	oklch(30.6% 0.134 269.9)
XYZ	xyz(3.9573, 2.5881, 15.9106)
Luminance	0.0259 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182371 #716618

analogous

#185071 #182371 #3A1871

triadic

#182371 #711823 #237118

tetradic

#182371 #711850 #716618 #18713A

square

#182371 #711850 #716618 #18713A

split-complementary

#182371 #713A18 #507118

monochromatic

#050819 #0D133F #182371 #2333A3 #3044D3

Accessibility & contrast

On white

13.84

#182371 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#182371 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182371

13.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182371	#FFFFFF	#000000	##FFFFFF
##182371	1.00	13.84	1.52	13.84
#FFFFFF	13.84	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003173

Deuteranopia (green-blind)

#002870

Tritanopia (blue-blind)

#003846

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #182371;
/* rgb */ color: rgb(24, 35, 113);
/* oklch */ color: oklch(30.6% 0.134 269.9);

Tailwind

colors: {
  custom: {
    50: '#655e9b',
    500: '#182371',
    950: '#000000',
  },
}

SCSS

$custom: #182371;
$custom-light: #655e9b;
$custom-dark: #000000;

JSON

{
  "hex": "#182371",
  "rgb": {
    "r": 24,
    "g": 35,
    "b": 113
  },
  "hsl": {
    "h": 232.584,
    "s": 64.964,
    "l": 26.863
  },
  "oklch": {
    "l": 0.30597,
    "c": 0.1336,
    "h": 269.9
  },
  "luminance": 0.02589
}

Semantic roles & 50–950 ramp

primary

#182371

secondary

#A69A3E

accent

#D340E8

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040E

muted

#7A797E

Preview Lab

Preview with #182371

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

Preview Lab → · Contrast checker → · Palette generator →