#10104E#10104E

#10104E is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.8% C 0.109 H 273.5°. Best body text is #FFFFFF at 17.41:1 contrast (WCAG AA passes).

Color values

HEX#10104E
RGBrgb(16, 16, 78)
HSLhsl(240, 66%, 18%)
HSVhsv(240, 79%, 31%)
CMYKcmyk(79.5%, 79.5%, 0%, 69.4%)
CIE-LABlab(9.24, 23.81, -37.77)
CIE-LCHlch(9.24, 44.65, 302.23°)
OKLaboklab(22.77% 0.0066 -0.1092)
OKLCHoklch(22.77% 0.109 273.5)
XYZxyz(1.7737, 1.0306, 7.3117)
Luminance0.0103 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#10104E #4E4E10
analogous
#102F4E #10104E #2F104E
triadic
#10104E #4E1010 #104E10
tetradic
#10104E #4E102F #4E4E10 #104E2F
square
#10104E #4E102F #4E4E10 #104E2F
split-complementary
#10104E #4E2F10 #2F4E10
monochromatic
#050519 #06061B #10104E #1A1A81 #2525B4

Accessibility & contrast

On white

17.41
#10104E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.21
#10104E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10104E
17.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##10104E#FFFFFF#000000##FFFFFF
##10104E1.0017.411.2117.41
#FFFFFF17.411.0021.001.00
#0000001.2121.001.0021.00
##FFFFFF17.411.0021.001.00

Color blindness preview

Protanopia (red-blind)
#001D50
Deuteranopia (green-blind)
#00174D
Tritanopia (blue-blind)
#00222D
Achromatopsia (no color)
#1A1A1A

Design tokens & code

CSS
--color: #10104e;
/* rgb */ color: rgb(16, 16, 78);
/* oklch */ color: oklch(22.8% 0.109 273.5);
Tailwind
colors: {
  custom: {
    50: '#5a4e80',
    500: '#10104e',
    950: '#000000',
  },
}
SCSS
$custom: #10104e;
$custom-light: #5a4e80;
$custom-dark: #000000;
JSON
{
  "hex": "#10104e",
  "rgb": {
    "r": 16,
    "g": 16,
    "b": 78
  },
  "hsl": {
    "h": 240,
    "s": 65.957,
    "l": 18.431
  },
  "oklch": {
    "l": 0.22769,
    "c": 0.10945,
    "h": 273.5
  },
  "luminance": 0.01031
}

Semantic roles & 50–950 ramp

primary
#10104E
secondary
#888832
accent
#E93FE9
background
#F5F4F7
surface
#E9E7EE
border
#C5C3C9
text
#04020A
muted
#79787C

Preview Lab

Preview with #10104E

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

Preview Lab → · Contrast checker → · Palette generator →

#10104E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva