#103B83#103B83

#103B83 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.0% C 0.130 H 260.4°. Best body text is #FFFFFF at 10.63:1 contrast (WCAG AA passes).

Color values

HEX	#103B83
RGB	rgb(16, 59, 131)
HSL	hsl(218, 78%, 29%)
HSV	hsv(218, 88%, 51%)
CMYK	cmyk(87.8%, 55%, 0%, 48.6%)
CIE-LAB	lab(26.38, 15.00, -44.47)
CIE-LCH	lch(26.38, 46.93, 288.64°)
OKLab	oklab(37.04% -0.0218 -0.1283)
OKLCH	oklch(37.04% 0.13 260.4)
XYZ	xyz(5.8729, 4.8760, 22.1000)
Luminance	0.0488 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103B83 #835810

analogous

#107583 #103B83 #1F1083

triadic

#103B83 #83103B #3B8310

tetradic

#103B83 #831075 #835810 #10831F

square

#103B83 #831075 #835810 #10831F

split-complementary

#103B83 #831F10 #758310

monochromatic

#030C1B #09224C #103B83 #1754BA #296FE5

Accessibility & contrast

On white

10.63

#103B83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#103B83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103B83

10.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103B83	#FFFFFF	#000000	##FFFFFF
##103B83	1.00	10.63	1.98	10.63
#FFFFFF	10.63	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#014486

Deuteranopia (green-blind)

#003A82

Tritanopia (blue-blind)

#004D59

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #103b83;
/* rgb */ color: rgb(16, 59, 131);
/* oklch */ color: oklch(37.0% 0.130 260.4);

Tailwind

colors: {
  custom: {
    50: '#6670a8',
    500: '#103b83',
    950: '#000000',
  },
}

SCSS

$custom: #103b83;
$custom-light: #6670a8;
$custom-dark: #000000;

JSON

{
  "hex": "#103b83",
  "rgb": {
    "r": 16,
    "g": 59,
    "b": 131
  },
  "hsl": {
    "h": 217.565,
    "s": 78.231,
    "l": 28.824
  },
  "oklch": {
    "l": 0.37036,
    "c": 0.13017,
    "h": 260.4
  },
  "luminance": 0.04877
}

Semantic roles & 50–950 ramp

primary

#103B83

secondary

#B98836

accent

#AC33F5

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #103B83

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

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