#103E83#103E83

#103E83 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 37.7% C 0.126 H 259.1°. Best body text is #FFFFFF at 10.30:1 contrast (WCAG AA passes).

Color values

HEX	#103E83
RGB	rgb(16, 62, 131)
HSL	hsl(216, 78%, 29%)
HSV	hsv(216, 88%, 51%)
CMYK	cmyk(87.8%, 52.7%, 0%, 48.6%)
CIE-LAB	lab(27.28, 12.89, -43.01)
CIE-LCH	lch(27.28, 44.90, 286.68°)
OKLab	oklab(37.72% -0.0239 -0.124)
OKLCH	oklch(37.72% 0.126 259.1)
XYZ	xyz(6.0315, 5.1933, 22.1528)
Luminance	0.0519 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103E83 #835510

analogous

#107883 #103E83 #1C1083

triadic

#103E83 #83103E #3E8310

tetradic

#103E83 #831078 #835510 #10831C

square

#103E83 #831078 #835510 #10831C

split-complementary

#103E83 #831C10 #788310

monochromatic

#030D1B #09244C #103E83 #1758BA #2974E5

Accessibility & contrast

On white

10.30

#103E83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#103E83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103E83

10.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103E83	#FFFFFF	#000000	##FFFFFF
##103E83	1.00	10.30	2.04	10.30
#FFFFFF	10.30	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#104685

Deuteranopia (green-blind)

#003C82

Tritanopia (blue-blind)

#004F5A

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #103e83;
/* rgb */ color: rgb(16, 62, 131);
/* oklch */ color: oklch(37.7% 0.126 259.1);

Tailwind

colors: {
  custom: {
    50: '#6572a8',
    500: '#103e83',
    950: '#000000',
  },
}

SCSS

$custom: #103e83;
$custom-light: #6572a8;
$custom-dark: #000000;

JSON

{
  "hex": "#103e83",
  "rgb": {
    "r": 16,
    "g": 62,
    "b": 131
  },
  "hsl": {
    "h": 216,
    "s": 78.231,
    "l": 28.824
  },
  "oklch": {
    "l": 0.37723,
    "c": 0.12626,
    "h": 259.1
  },
  "luminance": 0.05194
}

Semantic roles & 50–950 ramp

primary

#103E83

secondary

#B98436

accent

#A733F5

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #103E83

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

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