#103F83#103F83

#103F83 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.0% C 0.125 H 258.6°. Best body text is #FFFFFF at 10.19:1 contrast (WCAG AA passes).

Color values

HEX	#103F83
RGB	rgb(16, 63, 131)
HSL	hsl(215, 78%, 29%)
HSV	hsv(215, 88%, 51%)
CMYK	cmyk(87.8%, 51.9%, 0%, 48.6%)
CIE-LAB	lab(27.58, 12.19, -42.52)
CIE-LCH	lch(27.58, 44.23, 285.99°)
OKLab	oklab(37.96% -0.0247 -0.1225)
OKLCH	oklch(37.96% 0.125 258.6)
XYZ	xyz(6.0864, 5.3031, 22.1711)
Luminance	0.0530 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103F83 #835410

analogous

#107983 #103F83 #1B1083

triadic

#103F83 #83103F #3F8310

tetradic

#103F83 #831079 #835410 #10831B

square

#103F83 #831079 #835410 #10831B

split-complementary

#103F83 #831B10 #798310

monochromatic

#030D1B #09254C #103F83 #1759BA #2976E5

Accessibility & contrast

On white

10.19

#103F83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#103F83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103F83

10.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103F83	#FFFFFF	#000000	##FFFFFF
##103F83	1.00	10.19	2.06	10.19
#FFFFFF	10.19	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#134785

Deuteranopia (green-blind)

#003C82

Tritanopia (blue-blind)

#00505A

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #103f83;
/* rgb */ color: rgb(16, 63, 131);
/* oklch */ color: oklch(38.0% 0.125 258.6);

Tailwind

colors: {
  custom: {
    50: '#6573a8',
    500: '#103f83',
    950: '#000000',
  },
}

SCSS

$custom: #103f83;
$custom-light: #6573a8;
$custom-dark: #000000;

JSON

{
  "hex": "#103f83",
  "rgb": {
    "r": 16,
    "g": 63,
    "b": 131
  },
  "hsl": {
    "h": 215.478,
    "s": 78.231,
    "l": 28.824
  },
  "oklch": {
    "l": 0.37955,
    "c": 0.12497,
    "h": 258.6
  },
  "luminance": 0.05304
}

Semantic roles & 50–950 ramp

primary

#103F83

secondary

#B98336

accent

#A633F5

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #103F83

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

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