#182155#182155

#182155 is a dark, moderate blue. Relative luminance 0.019; OKLCH L 27.5% C 0.095 H 271.3°. Best body text is #FFFFFF at 15.13:1 contrast (WCAG AA passes).

Color values

HEX	#182155
RGB	rgb(24, 33, 85)
HSL	hsl(231, 56%, 21%)
HSV	hsv(231, 72%, 33%)
CMYK	cmyk(71.8%, 61.2%, 0%, 66.7%)
CIE-LAB	lab(15.16, 15.58, -32.86)
CIE-LCH	lch(15.16, 36.36, 295.37°)
OKLab	oklab(27.46% 0.0022 -0.0945)
OKLCH	oklch(27.46% 0.095 271.3)
XYZ	xyz(2.5597, 1.9375, 8.8317)
Luminance	0.0194 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182155 #554C18

analogous

#184055 #182155 #2E1855

triadic

#182155 #551821 #215518

tetradic

#182155 #551840 #554C18 #18552E

square

#182155 #551840 #554C18 #18552E

split-complementary

#182155 #552E18 #405518

monochromatic

#070918 #0B0E25 #182155 #253485 #3346B4

Accessibility & contrast

On white

15.13

#182155 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#182155 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182155

15.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182155	#FFFFFF	#000000	##FFFFFF
##182155	1.00	15.13	1.39	15.13
#FFFFFF	15.13	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002957

Deuteranopia (green-blind)

#002354

Tritanopia (blue-blind)

#002E37

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #182155;
/* rgb */ color: rgb(24, 33, 85);
/* oklch */ color: oklch(27.5% 0.095 271.3);

Tailwind

colors: {
  custom: {
    50: '#5d5c85',
    500: '#182155',
    950: '#000000',
  },
}

SCSS

$custom: #182155;
$custom-light: #5d5c85;
$custom-dark: #000000;

JSON

{
  "hex": "#182155",
  "rgb": {
    "r": 24,
    "g": 33,
    "b": 85
  },
  "hsl": {
    "h": 231.148,
    "s": 55.963,
    "l": 21.373
  },
  "oklch": {
    "l": 0.27459,
    "c": 0.09455,
    "h": 271.3
  },
  "luminance": 0.01938
}

Semantic roles & 50–950 ramp

primary

#182155

secondary

#8C803D

accent

#C949DF

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#05040B

muted

#79797C

Preview Lab

Preview with #182155

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

Preview Lab → · Contrast checker → · Palette generator →