#102F83#102F83

#102F83 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.4% C 0.146 H 264.3°. Best body text is #FFFFFF at 11.96:1 contrast (WCAG AA passes).

Color values

HEX	#102F83
RGB	rgb(16, 47, 131)
HSL	hsl(224, 78%, 29%)
HSV	hsv(224, 88%, 51%)
CMYK	cmyk(87.8%, 64.1%, 0%, 48.6%)
CIE-LAB	lab(22.93, 23.51, -50.08)
CIE-LCH	lch(22.93, 55.33, 295.14°)
OKLab	oklab(34.44% -0.0144 -0.145)
OKLCH	oklch(34.44% 0.146 264.3)
XYZ	xyz(5.3255, 3.7812, 21.9175)
Luminance	0.0378 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#102F83 #836410

analogous

#106983 #102F83 #2B1083

triadic

#102F83 #83102F #2F8310

tetradic

#102F83 #831069 #836410 #10832B

square

#102F83 #831069 #836410 #10832B

split-complementary

#102F83 #832B10 #698310

monochromatic

#030A1B #091B4C #102F83 #1743BA #295BE5

Accessibility & contrast

On white

11.96

#102F83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#102F83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #102F83

11.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##102F83	#FFFFFF	#000000	##FFFFFF
##102F83	1.00	11.96	1.76	11.96
#FFFFFF	11.96	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C86

Deuteranopia (green-blind)

#003281

Tritanopia (blue-blind)

#004554

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #102f83;
/* rgb */ color: rgb(16, 47, 131);
/* oklch */ color: oklch(34.4% 0.146 264.3);

Tailwind

colors: {
  custom: {
    50: '#6667a8',
    500: '#102f83',
    950: '#000000',
  },
}

SCSS

$custom: #102f83;
$custom-light: #6667a8;
$custom-dark: #000000;

JSON

{
  "hex": "#102f83",
  "rgb": {
    "r": 16,
    "g": 47,
    "b": 131
  },
  "hsl": {
    "h": 223.826,
    "s": 78.231,
    "l": 28.824
  },
  "oklch": {
    "l": 0.34444,
    "c": 0.14574,
    "h": 264.3
  },
  "luminance": 0.03782
}

Semantic roles & 50–950 ramp

primary

#102F83

secondary

#B99636

accent

#C133F5

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#070610

muted

#7A7A7F

Preview Lab

Preview with #102F83

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

Preview Lab → · Contrast checker → · Palette generator →