#102171#102171

#102171 is a dark, vivid blue. Relative luminance 0.024; OKLCH L 29.8% C 0.138 H 267.2°. Best body text is #FFFFFF at 14.21:1 contrast (WCAG AA passes).

Color values

HEX	#102171
RGB	rgb(16, 33, 113)
HSL	hsl(229, 75%, 25%)
HSV	hsv(229, 86%, 44%)
CMYK	cmyk(85.8%, 70.8%, 0%, 55.7%)
CIE-LAB	lab(17.41, 26.00, -47.68)
CIE-LCH	lch(17.41, 54.31, 298.61°)
OKLab	oklab(29.84% -0.0068 -0.1381)
OKLCH	oklch(29.84% 0.138 267.2)
XYZ	xyz(3.7371, 2.3897, 15.8839)
Luminance	0.0239 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#102171 #716010

analogous

#105171 #102171 #301071

triadic

#102171 #711021 #217110

tetradic

#102171 #711051 #716010 #107130

square

#102171 #711051 #716010 #107130

split-complementary

#102171 #713010 #517110

monochromatic

#04081B #08113B #102171 #1831A7 #1F40DC

Accessibility & contrast

On white

14.21

#102171 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#102171 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #102171

14.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##102171	#FFFFFF	#000000	##FFFFFF
##102171	1.00	14.21	1.48	14.21
#FFFFFF	14.21	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F73

Deuteranopia (green-blind)

#002670

Tritanopia (blue-blind)

#003746

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #102171;
/* rgb */ color: rgb(16, 33, 113);
/* oklch */ color: oklch(29.8% 0.138 267.2);

Tailwind

colors: {
  custom: {
    50: '#635c9b',
    500: '#102171',
    950: '#000000',
  },
}

SCSS

$custom: #102171;
$custom-light: #635c9b;
$custom-dark: #000000;

JSON

{
  "hex": "#102171",
  "rgb": {
    "r": 16,
    "g": 33,
    "b": 113
  },
  "hsl": {
    "h": 229.485,
    "s": 75.194,
    "l": 25.294
  },
  "oklch": {
    "l": 0.29835,
    "c": 0.1383,
    "h": 267.2
  },
  "luminance": 0.0239
}

Semantic roles & 50–950 ramp

primary

#102171

secondary

#A99434

accent

#D136F2

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040E

muted

#7A797E

Preview Lab

Preview with #102171

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

Preview Lab → · Contrast checker → · Palette generator →