#18177A#18177A

#18177A is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.6% C 0.159 H 271.6°. Best body text is #FFFFFF at 14.56:1 contrast (WCAG AA passes).

Color values

HEX	#18177A
RGB	rgb(24, 23, 122)
HSL	hsl(241, 68%, 28%)
HSV	hsv(241, 81%, 48%)
CMYK	cmyk(80.3%, 81.1%, 0%, 52.2%)
CIE-LAB	lab(16.56, 36.35, -54.86)
CIE-LCH	lch(16.56, 65.81, 303.53°)
OKLab	oklab(29.64% 0.0044 -0.1588)
OKLCH	oklch(29.64% 0.159 271.6)
XYZ	xyz(4.1948, 2.2117, 18.6144)
Luminance	0.0221 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18177A #797A17

analogous

#17477A #18177A #49177A

triadic

#18177A #7A1817 #177A18

tetradic

#18177A #7A1747 #797A17 #177A49

square

#18177A #7A1747 #797A17 #177A49

split-complementary

#18177A #7A4917 #477A17

monochromatic

#05051A #0E0D47 #18177A #2221AD #3533D9

Accessibility & contrast

On white

14.56

#18177A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#18177A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18177A

14.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18177A	#FFFFFF	#000000	##FFFFFF
##18177A	1.00	14.56	1.44	14.56
#FFFFFF	14.56	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E7D

Deuteranopia (green-blind)

#002478

Tritanopia (blue-blind)

#003548

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #18177a;
/* rgb */ color: rgb(24, 23, 122);
/* oklch */ color: oklch(29.6% 0.159 271.6);

Tailwind

colors: {
  custom: {
    50: '#6856a2',
    500: '#18177a',
    950: '#000000',
  },
}

SCSS

$custom: #18177a;
$custom-light: #6856a2;
$custom-dark: #000000;

JSON

{
  "hex": "#18177a",
  "rgb": {
    "r": 24,
    "g": 23,
    "b": 122
  },
  "hsl": {
    "h": 240.606,
    "s": 68.276,
    "l": 28.431
  },
  "oklch": {
    "l": 0.29639,
    "c": 0.15888,
    "h": 271.6
  },
  "luminance": 0.02212
}

Semantic roles & 50–950 ramp

primary

#18177A

secondary

#AEAF3E

accent

#EB3DE9

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07030F

muted

#7A787F

Preview Lab

Preview with #18177A

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

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