#181875#181875

#181875 is a dark, vivid blue. Relative luminance 0.021; OKLCH L 29.2% C 0.152 H 271.9°. Best body text is #FFFFFF at 14.72:1 contrast (WCAG AA passes).

Color values

HEX	#181875
RGB	rgb(24, 24, 117)
HSL	hsl(240, 66%, 28%)
HSV	hsv(240, 79%, 46%)
CMYK	cmyk(79.5%, 79.5%, 0%, 54.1%)
CIE-LAB	lab(16.16, 34.02, -52.31)
CIE-LCH	lch(16.16, 62.40, 303.04°)
OKLab	oklab(29.18% 0.0051 -0.1514)
OKLCH	oklch(29.18% 0.152 271.9)
XYZ	xyz(3.9131, 2.1314, 17.0313)
Luminance	0.0213 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181875 #757518

analogous

#184675 #181875 #461875

triadic

#181875 #751818 #187518

tetradic

#181875 #751846 #757518 #187546

square

#181875 #751846 #757518 #187546

split-complementary

#181875 #754618 #467518

monochromatic

#050519 #0E0E42 #181875 #2222A8 #3232D5

Accessibility & contrast

On white

14.72

#181875 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#181875 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181875

14.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181875	#FFFFFF	#000000	##FFFFFF
##181875	1.00	14.72	1.43	14.72
#FFFFFF	14.72	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D78

Deuteranopia (green-blind)

#002373

Tritanopia (blue-blind)

#003446

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #181875;
/* rgb */ color: rgb(24, 24, 117);
/* oklch */ color: oklch(29.2% 0.152 271.9);

Tailwind

colors: {
  custom: {
    50: '#67569e',
    500: '#181875',
    950: '#000000',
  },
}

SCSS

$custom: #181875;
$custom-light: #67569e;
$custom-dark: #000000;

JSON

{
  "hex": "#181875",
  "rgb": {
    "r": 24,
    "g": 24,
    "b": 117
  },
  "hsl": {
    "h": 240,
    "s": 65.957,
    "l": 27.647
  },
  "oklch": {
    "l": 0.29182,
    "c": 0.15151,
    "h": 271.9
  },
  "luminance": 0.02132
}

Semantic roles & 50–950 ramp

primary

#181875

secondary

#AAAA3F

accent

#E93FE9

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #181875

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

Preview Lab → · Contrast checker → · Palette generator →