#182153#182153

#182153 is a dark, moderate blue. Relative luminance 0.019; OKLCH L 27.3% C 0.091 H 271.3°. Best body text is #FFFFFF at 15.20:1 contrast (WCAG AA passes).

Color values

HEX	#182153
RGB	rgb(24, 33, 83)
HSL	hsl(231, 55%, 21%)
HSV	hsv(231, 71%, 33%)
CMYK	cmyk(71.1%, 60.2%, 0%, 67.5%)
CIE-LAB	lab(14.99, 14.76, -31.78)
CIE-LCH	lch(14.99, 35.04, 294.92°)
OKLab	oklab(27.28% 0.0021 -0.0913)
OKLCH	oklch(27.28% 0.091 271.3)
XYZ	xyz(2.4814, 1.9062, 8.4191)
Luminance	0.0191 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182153 #534A18

analogous

#183E53 #182153 #2C1853

triadic

#182153 #531821 #215318

tetradic

#182153 #53183E #534A18 #18532C

square

#182153 #53183E #534A18 #18532C

split-complementary

#182153 #532C18 #3E5318

monochromatic

#070918 #0A0E24 #182153 #263482 #3347B2

Accessibility & contrast

On white

15.20

#182153 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#182153 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182153

15.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182153	#FFFFFF	#000000	##FFFFFF
##182153	1.00	15.20	1.38	15.20
#FFFFFF	15.20	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002855

Deuteranopia (green-blind)

#002352

Tritanopia (blue-blind)

#002D36

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #182153;
/* rgb */ color: rgb(24, 33, 83);
/* oklch */ color: oklch(27.3% 0.091 271.3);

Tailwind

colors: {
  custom: {
    50: '#5d5c84',
    500: '#182153',
    950: '#000000',
  },
}

SCSS

$custom: #182153;
$custom-light: #5d5c84;
$custom-dark: #000000;

JSON

{
  "hex": "#182153",
  "rgb": {
    "r": 24,
    "g": 33,
    "b": 83
  },
  "hsl": {
    "h": 230.847,
    "s": 55.14,
    "l": 20.98
  },
  "oklch": {
    "l": 0.27279,
    "c": 0.09137,
    "h": 271.3
  },
  "luminance": 0.01906
}

Semantic roles & 50–950 ramp

primary

#182153

secondary

#8A7E3D

accent

#C849DE

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#05040B

muted

#79797C

Preview Lab

Preview with #182153

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

Preview Lab → · Contrast checker → · Palette generator →