#102B71#102B71

#102B71 is a dark, vivid blue. Relative luminance 0.030; OKLCH L 31.9% C 0.125 H 264.3°. Best body text is #FFFFFF at 13.08:1 contrast (WCAG AA passes).

Color values

HEX	#102B71
RGB	rgb(16, 43, 113)
HSL	hsl(223, 75%, 25%)
HSV	hsv(223, 86%, 44%)
CMYK	cmyk(85.8%, 61.9%, 0%, 55.7%)
CIE-LAB	lab(20.16, 18.87, -43.17)
CIE-LCH	lch(20.16, 47.11, 293.61°)
OKLab	oklab(31.87% -0.0125 -0.1248)
OKLCH	oklch(31.87% 0.125 264.3)
XYZ	xyz(4.0571, 3.0297, 15.9905)
Luminance	0.0303 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#102B71 #715610

analogous

#105B71 #102B71 #251071

triadic

#102B71 #71102B #2B7110

tetradic

#102B71 #71105B #715610 #107125

square

#102B71 #71105B #715610 #107125

split-complementary

#102B71 #712510 #5B7110

monochromatic

#040A1B #08173B #102B71 #183FA7 #1F54DC

Accessibility & contrast

On white

13.08

#102B71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#102B71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #102B71

13.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##102B71	#FFFFFF	#000000	##FFFFFF
##102B71	1.00	13.08	1.61	13.08
#FFFFFF	13.08	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003573

Deuteranopia (green-blind)

#002C70

Tritanopia (blue-blind)

#003D49

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #102b71;
/* rgb */ color: rgb(16, 43, 113);
/* oklch */ color: oklch(31.9% 0.125 264.3);

Tailwind

colors: {
  custom: {
    50: '#62639a',
    500: '#102b71',
    950: '#000000',
  },
}

SCSS

$custom: #102b71;
$custom-light: #62639a;
$custom-dark: #000000;

JSON

{
  "hex": "#102b71",
  "rgb": {
    "r": 16,
    "g": 43,
    "b": 113
  },
  "hsl": {
    "h": 223.299,
    "s": 75.194,
    "l": 25.294
  },
  "oklch": {
    "l": 0.31868,
    "c": 0.12545,
    "h": 264.3
  },
  "luminance": 0.0303
}

Semantic roles & 50–950 ramp

primary

#102B71

secondary

#A98834

accent

#BE36F2

background

#F6F5F9

surface

#EBEAF2

border

#C6C6CC

text

#06050E

muted

#7A797E

Preview Lab

Preview with #102B71

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

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