#18127D#18127D

#18127D is a dark, vivid blue. Relative luminance 0.021; OKLCH L 29.4% C 0.167 H 271.8°. Best body text is #FFFFFF at 14.77:1 contrast (WCAG AA passes).

Color values

HEX	#18127D
RGB	rgb(24, 18, 125)
HSL	hsl(243, 75%, 28%)
HSV	hsv(243, 86%, 49%)
CMYK	cmyk(80.8%, 85.6%, 0%, 51%)
CIE-LAB	lab(16.04, 39.97, -57.65)
CIE-LCH	lch(16.04, 70.15, 304.74°)
OKLab	oklab(29.38% 0.0052 -0.1668)
OKLCH	oklch(29.38% 0.167 271.8)
XYZ	xyz(4.2934, 2.1070, 19.5785)
Luminance	0.0211 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18127D #777D12

analogous

#12427D #18127D #4D127D

triadic

#18127D #7D1812 #127D18

tetradic

#18127D #7D1242 #777D12 #127D4D

square

#18127D #7D1242 #777D12 #127D4D

split-complementary

#18127D #7D4D12 #427D12

monochromatic

#05041B #0E0A48 #18127D #221AB2 #3329E0

Accessibility & contrast

On white

14.77

#18127D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#18127D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18127D

14.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18127D	#FFFFFF	#000000	##FFFFFF
##18127D	1.00	14.77	1.42	14.77
#FFFFFF	14.77	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D80

Deuteranopia (green-blind)

#00227B

Tritanopia (blue-blind)

#003549

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #18127d;
/* rgb */ color: rgb(24, 18, 125);
/* oklch */ color: oklch(29.4% 0.167 271.8);

Tailwind

colors: {
  custom: {
    50: '#6a54a4',
    500: '#18127d',
    950: '#000000',
  },
}

SCSS

$custom: #18127d;
$custom-light: #6a54a4;
$custom-dark: #000000;

JSON

{
  "hex": "#18127d",
  "rgb": {
    "r": 24,
    "g": 18,
    "b": 125
  },
  "hsl": {
    "h": 243.364,
    "s": 74.825,
    "l": 28.039
  },
  "oklch": {
    "l": 0.29384,
    "c": 0.16687,
    "h": 271.8
  },
  "luminance": 0.02107
}

Semantic roles & 50–950 ramp

primary

#18127D

secondary

#ACB338

accent

#F136E7

background

#F6F4FA

surface

#ECE8F4

border

#C7C4CE

text

#08030F

muted

#7A787F

Preview Lab

Preview with #18127D

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

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