#10405D#10405D

#10405D is a dark, moderate cyan. Relative luminance 0.046; OKLCH L 35.5% C 0.071 H 240.2°. Best body text is #FFFFFF at 10.98:1 contrast (WCAG AA passes).

Color values

HEX#10405D
RGBrgb(16, 64, 93)
HSLhsl(203, 71%, 21%)
HSVhsv(203, 83%, 36%)
CMYKcmyk(82.8%, 31.2%, 0%, 63.5%)
CIE-LABlab(25.46, -4.48, -21.73)
CIE-LCHlch(25.46, 22.18, 258.34°)
OKLaboklab(35.52% -0.0352 -0.0615)
OKLCHoklch(35.52% 0.071 240.2)
XYZxyz(4.0221, 4.5668, 11.0233)
Luminance0.0457 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#10405D #5D2D10
analogous
#105D54 #10405D #101A5D
triadic
#10405D #5D1040 #405D10
tetradic
#10405D #54105D #5D2D10 #1A5D10
square
#10405D #54105D #5D2D10 #1A5D10
split-complementary
#10405D #5D101A #5D5410
monochromatic
#04121A #071C29 #10405D #196491 #2288C5

Accessibility & contrast

On white

10.98
#10405D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.91
#10405D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10405D
10.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##10405D#FFFFFF#000000##FFFFFF
##10405D1.0010.981.9110.98
#FFFFFF10.981.0021.001.00
#0000001.9121.001.0021.00
##FFFFFF10.981.0021.001.00

Color blindness preview

Protanopia (red-blind)
#32405E
Deuteranopia (green-blind)
#28395C
Tritanopia (blue-blind)
#00474A
Achromatopsia (no color)
#3C3C3C

Design tokens & code

CSS
--color: #10405d;
/* rgb */ color: rgb(16, 64, 93);
/* oklch */ color: oklch(35.5% 0.071 240.2);
Tailwind
colors: {
  custom: {
    50: '#5c748b',
    500: '#10405d',
    950: '#000000',
  },
}
SCSS
$custom: #10405d;
$custom-light: #5c748b;
$custom-dark: #000000;
JSON
{
  "hex": "#10405d",
  "rgb": {
    "r": 16,
    "g": 64,
    "b": 93
  },
  "hsl": {
    "h": 202.597,
    "s": 70.642,
    "l": 21.373
  },
  "oklch": {
    "l": 0.35516,
    "c": 0.07085,
    "h": 240.2
  },
  "luminance": 0.04567
}

Semantic roles & 50–950 ramp

primary
#10405D
secondary
#965833
accent
#7E3AED
background
#F5F7F8
surface
#E9EDF0
border
#C5C8CB
text
#05080C
muted
#797B7D

Preview Lab

Preview with #10405D

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

Preview Lab → · Contrast checker → · Palette generator →

#10405D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva