#182271#182271

#182271 is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.4% C 0.135 H 270.2°. Best body text is #FFFFFF at 13.94:1 contrast (WCAG AA passes).

Color values

HEX	#182271
RGB	rgb(24, 34, 113)
HSL	hsl(233, 65%, 27%)
HSV	hsv(233, 79%, 44%)
CMYK	cmyk(78.8%, 69.9%, 0%, 55.7%)
CIE-LAB	lab(18.05, 26.09, -46.61)
CIE-LCH	lch(18.05, 53.41, 299.24°)
OKLab	oklab(30.41% 0.0005 -0.1348)
OKLCH	oklch(30.41% 0.135 270.2)
XYZ	xyz(3.9283, 2.5301, 15.9009)
Luminance	0.0253 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182271 #716718

analogous

#184F71 #182271 #3A1871

triadic

#182271 #711822 #227118

tetradic

#182271 #71184F #716718 #18713A

square

#182271 #71184F #716718 #18713A

split-complementary

#182271 #713A18 #4F7118

monochromatic

#050819 #0D133F #182271 #2331A3 #3043D3

Accessibility & contrast

On white

13.94

#182271 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#182271 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182271

13.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182271	#FFFFFF	#000000	##FFFFFF
##182271	1.00	13.94	1.51	13.94
#FFFFFF	13.94	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003073

Deuteranopia (green-blind)

#002870

Tritanopia (blue-blind)

#003746

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #182271;
/* rgb */ color: rgb(24, 34, 113);
/* oklch */ color: oklch(30.4% 0.135 270.2);

Tailwind

colors: {
  custom: {
    50: '#655d9b',
    500: '#182271',
    950: '#000000',
  },
}

SCSS

$custom: #182271;
$custom-light: #655d9b;
$custom-dark: #000000;

JSON

{
  "hex": "#182271",
  "rgb": {
    "r": 24,
    "g": 34,
    "b": 113
  },
  "hsl": {
    "h": 233.258,
    "s": 64.964,
    "l": 26.863
  },
  "oklch": {
    "l": 0.30409,
    "c": 0.13484,
    "h": 270.2
  },
  "luminance": 0.0253
}

Semantic roles & 50–950 ramp

primary

#182271

secondary

#A69B3E

accent

#D540E8

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040E

muted

#7A797E

Preview Lab

Preview with #182271

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

Preview Lab → · Contrast checker → · Palette generator →