#103581#103581

#103581 is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.5% C 0.135 H 262.4°. Best body text is #FFFFFF at 11.36:1 contrast (WCAG AA passes).

Color values

HEX#103581
RGBrgb(16, 53, 129)
HSLhsl(220, 78%, 28%)
HSVhsv(220, 88%, 51%)
CMYKcmyk(87.6%, 58.9%, 0%, 49.4%)
CIE-LABlab(24.45, 18.42, -46.35)
CIE-LCHlch(24.45, 49.88, 291.67°)
OKLaboklab(35.53% -0.018 -0.134)
OKLCHoklch(35.53% 0.135 262.4)
XYZxyz(5.4478, 4.2407, 21.2960)
Luminance0.0424 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#103581 #815C10
analogous
#106D81 #103581 #231081
triadic
#103581 #811035 #358110
tetradic
#103581 #81106D #815C10 #108123
square
#103581 #81106D #815C10 #108123
split-complementary
#103581 #812310 #6D8110
monochromatic
#030B1B #091F4B #103581 #174BB7 #2765E4

Accessibility & contrast

On white

11.36
#103581 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.85
#103581 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103581
11.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##103581#FFFFFF#000000##FFFFFF
##1035811.0011.361.8511.36
#FFFFFF11.361.0021.001.00
#0000001.8521.001.0021.00
##FFFFFF11.361.0021.001.00

Color blindness preview

Protanopia (red-blind)
#003F84
Deuteranopia (green-blind)
#003580
Tritanopia (blue-blind)
#004855
Achromatopsia (no color)
#3A3A3A

Design tokens & code

CSS
--color: #103581;
/* rgb */ color: rgb(16, 53, 129);
/* oklch */ color: oklch(35.5% 0.135 262.4);
Tailwind
colors: {
  custom: {
    50: '#656ba6',
    500: '#103581',
    950: '#000000',
  },
}
SCSS
$custom: #103581;
$custom-light: #656ba6;
$custom-dark: #000000;
JSON
{
  "hex": "#103581",
  "rgb": {
    "r": 16,
    "g": 53,
    "b": 129
  },
  "hsl": {
    "h": 220.354,
    "s": 77.931,
    "l": 28.431
  },
  "oklch": {
    "l": 0.35525,
    "c": 0.13518,
    "h": 262.4
  },
  "luminance": 0.04241
}

Semantic roles & 50–950 ramp

primary
#103581
secondary
#B78D36
accent
#B533F4
background
#F6F6FA
surface
#EBEBF4
border
#C6C6CE
text
#07060F
muted
#7A7A7F

Preview Lab

Preview with #103581

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

Preview Lab → · Contrast checker → · Palette generator →

#103581 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva