#183271#183271

#183271 is a dark, moderate blue. Relative luminance 0.037; OKLCH L 33.7% C 0.114 H 264.3°. Best body text is #FFFFFF at 12.11:1 contrast (WCAG AA passes).

Color values

HEX	#183271
RGB	rgb(24, 50, 113)
HSL	hsl(222, 65%, 27%)
HSV	hsv(222, 79%, 44%)
CMYK	cmyk(78.8%, 55.8%, 0%, 55.7%)
CIE-LAB	lab(22.54, 14.72, -39.29)
CIE-LCH	lch(22.54, 41.96, 290.54°)
OKLab	oklab(33.75% -0.0114 -0.1132)
OKLCH	oklch(33.75% 0.114 264.3)
XYZ	xyz(4.4969, 3.6672, 16.0904)
Luminance	0.0367 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183271 #715718

analogous

#185F71 #183271 #2B1871

triadic

#183271 #711832 #327118

tetradic

#183271 #71185F #715718 #18712B

square

#183271 #71185F #715718 #18712B

split-complementary

#183271 #712B18 #5F7118

monochromatic

#050B19 #0D1C3F #183271 #2348A3 #3060D3

Accessibility & contrast

On white

12.11

#183271 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#183271 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183271

12.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183271	#FFFFFF	#000000	##FFFFFF
##183271	1.00	12.11	1.73	12.11
#FFFFFF	12.11	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#043A73

Deuteranopia (green-blind)

#003270

Tritanopia (blue-blind)

#00414C

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #183271;
/* rgb */ color: rgb(24, 50, 113);
/* oklch */ color: oklch(33.7% 0.114 264.3);

Tailwind

colors: {
  custom: {
    50: '#63699a',
    500: '#183271',
    950: '#000000',
  },
}

SCSS

$custom: #183271;
$custom-light: #63699a;
$custom-dark: #000000;

JSON

{
  "hex": "#183271",
  "rgb": {
    "r": 24,
    "g": 50,
    "b": 113
  },
  "hsl": {
    "h": 222.472,
    "s": 64.964,
    "l": 26.863
  },
  "oklch": {
    "l": 0.33746,
    "c": 0.11373,
    "h": 264.3
  },
  "luminance": 0.03668
}

Semantic roles & 50–950 ramp

primary

#183271

secondary

#A6883E

accent

#B740E8

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #183271

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

Preview Lab → · Contrast checker → · Palette generator →