#10105C#10105C

#10105C is a very dark, vivid blue. Relative luminance 0.013; OKLCH L 24.5% C 0.129 H 271.6°. Best body text is #FFFFFF at 16.79:1 contrast (WCAG AA passes).

Color values

HEX	#10105C
RGB	rgb(16, 16, 92)
HSL	hsl(240, 70%, 21%)
HSV	hsv(240, 83%, 36%)
CMYK	cmyk(82.6%, 82.6%, 0%, 63.9%)
CIE-LAB	lab(10.94, 29.11, -44.50)
CIE-LCH	lch(10.94, 53.18, 303.19°)
OKLab	oklab(24.48% 0.0037 -0.1288)
OKLCH	oklch(24.48% 0.129 271.6)
XYZ	xyz(2.3301, 1.2532, 10.2422)
Luminance	0.0125 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10105C #5C5C10

analogous

#10365C #10105C #36105C

triadic

#10105C #5C1010 #105C10

tetradic

#10105C #5C1036 #5C5C10 #105C36

square

#10105C #5C1036 #5C5C10 #105C36

split-complementary

#10105C #5C3610 #365C10

monochromatic

#05051A #070728 #10105C #191990 #2222C4

Accessibility & contrast

On white

16.79

#10105C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#10105C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10105C

16.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10105C	#FFFFFF	#000000	##FFFFFF
##10105C	1.00	16.79	1.25	16.79
#FFFFFF	16.79	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00215E

Deuteranopia (green-blind)

#00195B

Tritanopia (blue-blind)

#002735

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #10105c;
/* rgb */ color: rgb(16, 16, 92);
/* oklch */ color: oklch(24.5% 0.129 271.6);

Tailwind

colors: {
  custom: {
    50: '#5e4f8b',
    500: '#10105c',
    950: '#000000',
  },
}

SCSS

$custom: #10105c;
$custom-light: #5e4f8b;
$custom-dark: #000000;

JSON

{
  "hex": "#10105c",
  "rgb": {
    "r": 16,
    "g": 16,
    "b": 92
  },
  "hsl": {
    "h": 240,
    "s": 70.37,
    "l": 21.176
  },
  "oklch": {
    "l": 0.24477,
    "c": 0.12888,
    "h": 271.6
  },
  "luminance": 0.01253
}

Semantic roles & 50–950 ramp

primary

#10105C

secondary

#959533

accent

#ED3BED

background

#F5F4F8

surface

#EAE7F0

border

#C6C3CB

text

#05020C

muted

#79787D

Preview Lab

Preview with #10105C

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

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