#103C83#103C83

#103C83 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.3% C 0.129 H 259.9°. Best body text is #FFFFFF at 10.52:1 contrast (WCAG AA passes).

Color values

HEX	#103C83
RGB	rgb(16, 60, 131)
HSL	hsl(217, 78%, 29%)
HSV	hsv(217, 88%, 51%)
CMYK	cmyk(87.8%, 54.2%, 0%, 48.6%)
CIE-LAB	lab(26.68, 14.30, -43.99)
CIE-LCH	lch(26.68, 46.25, 288.01°)
OKLab	oklab(37.26% -0.0225 -0.1269)
OKLCH	oklch(37.26% 0.129 259.9)
XYZ	xyz(5.9248, 4.9798, 22.1173)
Luminance	0.0498 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103C83 #835710

analogous

#107683 #103C83 #1D1083

triadic

#103C83 #83103C #3C8310

tetradic

#103C83 #831076 #835710 #10831D

square

#103C83 #831076 #835710 #10831D

split-complementary

#103C83 #831D10 #768310

monochromatic

#030C1B #09234C #103C83 #1755BA #2971E5

Accessibility & contrast

On white

10.52

#103C83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#103C83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103C83

10.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103C83	#FFFFFF	#000000	##FFFFFF
##103C83	1.00	10.52	2.00	10.52
#FFFFFF	10.52	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#064486

Deuteranopia (green-blind)

#003A82

Tritanopia (blue-blind)

#004D59

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #103c83;
/* rgb */ color: rgb(16, 60, 131);
/* oklch */ color: oklch(37.3% 0.129 259.9);

Tailwind

colors: {
  custom: {
    50: '#6571a8',
    500: '#103c83',
    950: '#000000',
  },
}

SCSS

$custom: #103c83;
$custom-light: #6571a8;
$custom-dark: #000000;

JSON

{
  "hex": "#103c83",
  "rgb": {
    "r": 16,
    "g": 60,
    "b": 131
  },
  "hsl": {
    "h": 217.043,
    "s": 78.231,
    "l": 28.824
  },
  "oklch": {
    "l": 0.37264,
    "c": 0.12886,
    "h": 259.9
  },
  "luminance": 0.04981
}

Semantic roles & 50–950 ramp

primary

#103C83

secondary

#B98736

accent

#AB33F5

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #103C83

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

Preview Lab → · Contrast checker → · Palette generator →