#103E81#103E81

#103E81 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 37.6% C 0.123 H 258.7°. Best body text is #FFFFFF at 10.36:1 contrast (WCAG AA passes).

Color values

HEX	#103E81
RGB	rgb(16, 62, 129)
HSL	hsl(216, 78%, 28%)
HSV	hsv(216, 88%, 51%)
CMYK	cmyk(87.6%, 51.9%, 0%, 49.4%)
CIE-LAB	lab(27.13, 12.04, -42.01)
CIE-LCH	lch(27.13, 43.70, 286.00°)
OKLab	oklab(37.56% -0.0242 -0.121)
OKLCH	oklch(37.56% 0.123 258.7)
XYZ	xyz(5.8973, 5.1396, 21.4459)
Luminance	0.0514 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103E81 #815310

analogous

#107681 #103E81 #1A1081

triadic

#103E81 #81103E #3E8110

tetradic

#103E81 #811076 #815310 #10811A

square

#103E81 #811076 #815310 #10811A

split-complementary

#103E81 #811A10 #768110

monochromatic

#030D1B #09244B #103E81 #1758B7 #2774E4

Accessibility & contrast

On white

10.36

#103E81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#103E81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103E81

10.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103E81	#FFFFFF	#000000	##FFFFFF
##103E81	1.00	10.36	2.03	10.36
#FFFFFF	10.36	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#134583

Deuteranopia (green-blind)

#003B80

Tritanopia (blue-blind)

#004E59

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #103e81;
/* rgb */ color: rgb(16, 62, 129);
/* oklch */ color: oklch(37.6% 0.123 258.7);

Tailwind

colors: {
  custom: {
    50: '#6572a6',
    500: '#103e81',
    950: '#000000',
  },
}

SCSS

$custom: #103e81;
$custom-light: #6572a6;
$custom-dark: #000000;

JSON

{
  "hex": "#103e81",
  "rgb": {
    "r": 16,
    "g": 62,
    "b": 129
  },
  "hsl": {
    "h": 215.575,
    "s": 77.931,
    "l": 28.431
  },
  "oklch": {
    "l": 0.37561,
    "c": 0.12341,
    "h": 258.7
  },
  "luminance": 0.0514
}

Semantic roles & 50–950 ramp

primary

#103E81

secondary

#B78236

accent

#A633F4

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #103E81

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

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