#103B81#103B81

#103B81 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 36.9% C 0.127 H 260.0°. Best body text is #FFFFFF at 10.69:1 contrast (WCAG AA passes).

Color values

HEX#103B81
RGBrgb(16, 59, 129)
HSLhsl(217, 78%, 28%)
HSVhsv(217, 88%, 51%)
CMYKcmyk(87.6%, 54.3%, 0%, 49.4%)
CIE-LABlab(26.22, 14.16, -43.47)
CIE-LCHlch(26.22, 45.72, 288.04°)
OKLaboklab(36.87% -0.022 -0.1254)
OKLCHoklch(36.87% 0.127 260)
XYZxyz(5.7387, 4.8223, 21.3930)
Luminance0.0482 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#103B81 #815610
analogous
#107381 #103B81 #1D1081
triadic
#103B81 #81103B #3B8110
tetradic
#103B81 #811073 #815610 #10811D
square
#103B81 #811073 #815610 #10811D
split-complementary
#103B81 #811D10 #738110
monochromatic
#030C1B #09224B #103B81 #1754B7 #276FE4

Accessibility & contrast

On white

10.69
#103B81 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.96
#103B81 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103B81
10.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##103B81#FFFFFF#000000##FFFFFF
##103B811.0010.691.9610.69
#FFFFFF10.691.0021.001.00
#0000001.9621.001.0021.00
##FFFFFF10.691.0021.001.00

Color blindness preview

Protanopia (red-blind)
#064383
Deuteranopia (green-blind)
#003980
Tritanopia (blue-blind)
#004C58
Achromatopsia (no color)
#3E3E3E

Design tokens & code

CSS
--color: #103b81;
/* rgb */ color: rgb(16, 59, 129);
/* oklch */ color: oklch(36.9% 0.127 260.0);
Tailwind
colors: {
  custom: {
    50: '#6570a6',
    500: '#103b81',
    950: '#000000',
  },
}
SCSS
$custom: #103b81;
$custom-light: #6570a6;
$custom-dark: #000000;
JSON
{
  "hex": "#103b81",
  "rgb": {
    "r": 16,
    "g": 59,
    "b": 129
  },
  "hsl": {
    "h": 217.168,
    "s": 77.931,
    "l": 28.431
  },
  "oklch": {
    "l": 0.36868,
    "c": 0.12732,
    "h": 260
  },
  "luminance": 0.04823
}

Semantic roles & 50–950 ramp

primary
#103B81
secondary
#B78636
accent
#AB33F4
background
#F6F6FA
surface
#EBECF4
border
#C6C7CE
text
#07070F
muted
#7A7A7F

Preview Lab

Preview with #103B81

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

Preview Lab → · Contrast checker → · Palette generator →

#103B81 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva