#10387E#10387E

#10387E is a dark, vivid blue. Relative luminance 0.044; OKLCH L 35.9% C 0.127 H 260.8°. Best body text is #FFFFFF at 11.12:1 contrast (WCAG AA passes).

Color values

HEX#10387E
RGBrgb(16, 56, 126)
HSLhsl(218, 77%, 28%)
HSVhsv(218, 87%, 49%)
CMYKcmyk(87.3%, 55.6%, 0%, 50.6%)
CIE-LABlab(25.09, 15.02, -43.43)
CIE-LCHlch(25.09, 45.95, 289.08°)
OKLaboklab(35.93% -0.0203 -0.1253)
OKLCHoklch(35.93% 0.127 260.8)
XYZxyz(5.3924, 4.4442, 20.3082)
Luminance0.0445 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#10387E #7E5610
analogous
#106F7E #10387E #1F107E
triadic
#10387E #7E1038 #387E10
tetradic
#10387E #7E106F #7E5610 #107E1F
square
#10387E #7E106F #7E5610 #107E1F
split-complementary
#10387E #7E1F10 #6F7E10
monochromatic
#030C1B #092048 #10387E #1750B4 #256AE3

Accessibility & contrast

On white

11.12
#10387E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.89
#10387E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10387E
11.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##10387E#FFFFFF#000000##FFFFFF
##10387E1.0011.121.8911.12
#FFFFFF11.121.0021.001.00
#0000001.8921.001.0021.00
##FFFFFF11.121.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004180
Deuteranopia (green-blind)
#00377D
Tritanopia (blue-blind)
#004955
Achromatopsia (no color)
#3B3B3B

Design tokens & code

CSS
--color: #10387e;
/* rgb */ color: rgb(16, 56, 126);
/* oklch */ color: oklch(35.9% 0.127 260.8);
Tailwind
colors: {
  custom: {
    50: '#646ea4',
    500: '#10387e',
    950: '#000000',
  },
}
SCSS
$custom: #10387e;
$custom-light: #646ea4;
$custom-dark: #000000;
JSON
{
  "hex": "#10387e",
  "rgb": {
    "r": 16,
    "g": 56,
    "b": 126
  },
  "hsl": {
    "h": 218.182,
    "s": 77.465,
    "l": 27.843
  },
  "oklch": {
    "l": 0.3593,
    "c": 0.12696,
    "h": 260.8
  },
  "luminance": 0.04445
}

Semantic roles & 50–950 ramp

primary
#10387E
secondary
#B48636
accent
#AE34F4
background
#F6F6FA
surface
#EBEBF4
border
#C6C6CE
text
#06070F
muted
#7A7A7F

Preview Lab

Preview with #10387E

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

Preview Lab → · Contrast checker → · Palette generator →

#10387E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva