#102166#102166

#102166 is a dark, vivid blue. Relative luminance 0.022; OKLCH L 28.7% C 0.123 H 267.1°. Best body text is #FFFFFF at 14.67:1 contrast (WCAG AA passes).

Color values

HEX	#102166
RGB	rgb(16, 33, 102)
HSL	hsl(228, 73%, 23%)
HSV	hsv(228, 84%, 40%)
CMYK	cmyk(84.3%, 67.6%, 0%, 60%)
CIE-LAB	lab(16.29, 21.51, -42.35)
CIE-LCH	lch(16.29, 47.50, 296.93°)
OKLab	oklab(28.67% -0.0062 -0.1226)
OKLCH	oklch(28.67% 0.123 267.1)
XYZ	xyz(3.1550, 2.1568, 12.8178)
Luminance	0.0216 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#102166 #665510

analogous

#104C66 #102166 #2A1066

triadic

#102166 #661021 #216610

tetradic

#102166 #66104C #665510 #10662A

square

#102166 #66104C #665510 #10662A

split-complementary

#102166 #662A10 #4C6610

monochromatic

#04091A #081031 #102166 #18329B #2143D0

Accessibility & contrast

On white

14.67

#102166 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#102166 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #102166

14.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##102166	#FFFFFF	#000000	##FFFFFF
##102166	1.00	14.67	1.43	14.67
#FFFFFF	14.67	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D68

Deuteranopia (green-blind)

#002465

Tritanopia (blue-blind)

#003340

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #102166;
/* rgb */ color: rgb(16, 33, 102);
/* oklch */ color: oklch(28.7% 0.123 267.1);

Tailwind

colors: {
  custom: {
    50: '#5f5c92',
    500: '#102166',
    950: '#000000',
  },
}

SCSS

$custom: #102166;
$custom-light: #5f5c92;
$custom-dark: #000000;

JSON

{
  "hex": "#102166",
  "rgb": {
    "r": 16,
    "g": 33,
    "b": 102
  },
  "hsl": {
    "h": 228.14,
    "s": 72.881,
    "l": 23.137
  },
  "oklch": {
    "l": 0.2867,
    "c": 0.12272,
    "h": 267.1
  },
  "luminance": 0.02157
}

Semantic roles & 50–950 ramp

primary

#102166

secondary

#9E8933

accent

#CB38F0

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#05040D

muted

#79797E

Preview Lab

Preview with #102166

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

Preview Lab → · Contrast checker → · Palette generator →