#101066#101066

#101066 is a dark, vivid blue. Relative luminance 0.014; OKLCH L 25.7% C 0.142 H 270.6°. Best body text is #FFFFFF at 16.30:1 contrast (WCAG AA passes).

Color values

HEX	#101066
RGB	rgb(16, 16, 102)
HSL	hsl(240, 73%, 23%)
HSV	hsv(240, 84%, 40%)
CMYK	cmyk(84.3%, 84.3%, 0%, 60%)
CIE-LAB	lab(12.22, 32.72, -49.06)
CIE-LCH	lch(12.22, 58.97, 303.70°)
OKLab	oklab(25.74% 0.0014 -0.142)
OKLCH	oklch(25.74% 0.142 270.6)
XYZ	xyz(2.7964, 1.4397, 12.6983)
Luminance	0.0144 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101066 #666610

analogous

#103B66 #101066 #3B1066

triadic

#101066 #661010 #106610

tetradic

#101066 #66103B #666610 #10663B

square

#101066 #66103B #666610 #10663B

split-complementary

#101066 #663B10 #3B6610

monochromatic

#04041A #080831 #101066 #18189B #2121D0

Accessibility & contrast

On white

16.30

#101066 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#101066 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101066

16.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101066	#FFFFFF	#000000	##FFFFFF
##101066	1.00	16.30	1.29	16.30
#FFFFFF	16.30	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002468

Deuteranopia (green-blind)

#001B65

Tritanopia (blue-blind)

#002B3B

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #101066;
/* rgb */ color: rgb(16, 16, 102);
/* oklch */ color: oklch(25.7% 0.142 270.6);

Tailwind

colors: {
  custom: {
    50: '#615093',
    500: '#101066',
    950: '#000000',
  },
}

SCSS

$custom: #101066;
$custom-light: #615093;
$custom-dark: #000000;

JSON

{
  "hex": "#101066",
  "rgb": {
    "r": 16,
    "g": 16,
    "b": 102
  },
  "hsl": {
    "h": 240,
    "s": 72.881,
    "l": 23.137
  },
  "oklch": {
    "l": 0.25743,
    "c": 0.14206,
    "h": 270.6
  },
  "luminance": 0.0144
}

Semantic roles & 50–950 ramp

primary

#101066

secondary

#9E9E33

accent

#F038F0

background

#F6F4F9

surface

#EBE7F1

border

#C6C3CB

text

#06020D

muted

#7A787E

Preview Lab

Preview with #101066

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

Preview Lab → · Contrast checker → · Palette generator →