#10105D#10105D

#10105D is a very dark, vivid blue. Relative luminance 0.013; OKLCH L 24.6% C 0.130 H 271.5°. Best body text is #FFFFFF at 16.74:1 contrast (WCAG AA passes).

Color values

HEX	#10105D
RGB	rgb(16, 16, 93)
HSL	hsl(240, 71%, 21%)
HSV	hsv(240, 83%, 36%)
CMYK	cmyk(82.8%, 82.8%, 0%, 63.5%)
CIE-LAB	lab(11.07, 29.48, -44.97)
CIE-LCH	lch(11.07, 53.77, 303.25°)
OKLab	oklab(24.6% 0.0035 -0.1302)
OKLCH	oklch(24.6% 0.13 271.5)
XYZ	xyz(2.3741, 1.2708, 10.4740)
Luminance	0.0127 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10105D #5D5D10

analogous

#10375D #10105D #37105D

triadic

#10105D #5D1010 #105D10

tetradic

#10105D #5D1037 #5D5D10 #105D37

square

#10105D #5D1037 #5D5D10 #105D37

split-complementary

#10105D #5D3710 #375D10

monochromatic

#04041A #070729 #10105D #191991 #2222C5

Accessibility & contrast

On white

16.74

#10105D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#10105D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10105D

16.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10105D	#FFFFFF	#000000	##FFFFFF
##10105D	1.00	16.74	1.25	16.74
#FFFFFF	16.74	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00215F

Deuteranopia (green-blind)

#001A5C

Tritanopia (blue-blind)

#002736

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #10105d;
/* rgb */ color: rgb(16, 16, 93);
/* oklch */ color: oklch(24.6% 0.130 271.5);

Tailwind

colors: {
  custom: {
    50: '#5e4f8c',
    500: '#10105d',
    950: '#000000',
  },
}

SCSS

$custom: #10105d;
$custom-light: #5e4f8c;
$custom-dark: #000000;

JSON

{
  "hex": "#10105d",
  "rgb": {
    "r": 16,
    "g": 16,
    "b": 93
  },
  "hsl": {
    "h": 240,
    "s": 70.642,
    "l": 21.373
  },
  "oklch": {
    "l": 0.24602,
    "c": 0.13023,
    "h": 271.5
  },
  "luminance": 0.01271
}

Semantic roles & 50–950 ramp

primary

#10105D

secondary

#969633

accent

#ED3AED

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#05020C

muted

#7A787D

Preview Lab

Preview with #10105D

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

Preview Lab → · Contrast checker → · Palette generator →