#10385B#10385B

#10385B is a dark, moderate cyan. Relative luminance 0.037; OKLCH L 33.2% C 0.076 H 248.8°. Best body text is #FFFFFF at 12.08:1 contrast (WCAG AA passes).

Color values

HEX#10385B
RGBrgb(16, 56, 91)
HSLhsl(208, 70%, 21%)
HSVhsv(208, 82%, 36%)
CMYKcmyk(82.4%, 38.5%, 0%, 64.3%)
CIE-LABlab(22.63, 0.08, -24.89)
CIE-LCHlch(22.63, 24.89, 270.18°)
OKLaboklab(33.24% -0.0274 -0.0708)
OKLCHoklch(33.24% 0.076 248.8)
XYZxyz(3.5155, 3.6934, 10.4231)
Luminance0.0369 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#10385B #5B3310
analogous
#105B58 #10385B #10125B
triadic
#10385B #5B1038 #385B10
tetradic
#10385B #58105B #5B3310 #125B10
square
#10385B #58105B #5B3310 #125B10
split-complementary
#10385B #5B1012 #5B5810
monochromatic
#05101A #071827 #10385B #19588F #2278C3

Accessibility & contrast

On white

12.08
#10385B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.74
#10385B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10385B
12.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##10385B#FFFFFF#000000##FFFFFF
##10385B1.0012.081.7412.08
#FFFFFF12.081.0021.001.00
#0000001.7421.001.0021.00
##FFFFFF12.081.0021.001.00

Color blindness preview

Protanopia (red-blind)
#283A5C
Deuteranopia (green-blind)
#1D335A
Tritanopia (blue-blind)
#004045
Achromatopsia (no color)
#363636

Design tokens & code

CSS
--color: #10385b;
/* rgb */ color: rgb(16, 56, 91);
/* oklch */ color: oklch(33.2% 0.076 248.8);
Tailwind
colors: {
  custom: {
    50: '#5b6e89',
    500: '#10385b',
    950: '#000000',
  },
}
SCSS
$custom: #10385b;
$custom-light: #5b6e89;
$custom-dark: #000000;
JSON
{
  "hex": "#10385b",
  "rgb": {
    "r": 16,
    "g": 56,
    "b": 91
  },
  "hsl": {
    "h": 208,
    "s": 70.093,
    "l": 20.98
  },
  "oklch": {
    "l": 0.33243,
    "c": 0.07596,
    "h": 248.8
  },
  "luminance": 0.03694
}

Semantic roles & 50–950 ramp

primary
#10385B
secondary
#946033
accent
#8E3BED
background
#F5F6F8
surface
#E9EBF0
border
#C5C6CB
text
#04070B
muted
#797A7C

Preview Lab

Preview with #10385B

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

Preview Lab → · Contrast checker → · Palette generator →

#10385B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva