#10374F#10374F

#10374F is a dark, moderate cyan. Relative luminance 0.034; OKLCH L 32.2% C 0.061 H 239.8°. Best body text is #FFFFFF at 12.49:1 contrast (WCAG AA passes).

Color values

HEX#10374F
RGBrgb(16, 55, 79)
HSLhsl(203, 66%, 19%)
HSVhsv(203, 80%, 31%)
CMYKcmyk(79.7%, 30.4%, 0%, 69%)
CIE-LABlab(21.60, -4.24, -18.57)
CIE-LCHlch(21.60, 19.04, 257.14°)
OKLaboklab(32.21% -0.0305 -0.0524)
OKLCHoklch(32.21% 0.061 239.8)
XYZxyz(2.9906, 3.4067, 7.8956)
Luminance0.0341 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#10374F #4F2810
analogous
#104F47 #10374F #10174F
triadic
#10374F #4F1037 #374F10
tetradic
#10374F #47104F #4F2810 #174F10
square
#10374F #47104F #4F2810 #174F10
split-complementary
#10374F #4F1017 #4F4710
monochromatic
#051219 #06141C #10374F #1A5A82 #257EB5

Accessibility & contrast

On white

12.49
#10374F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.68
#10374F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10374F
12.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##10374F#FFFFFF#000000##FFFFFF
##10374F1.0012.491.6812.49
#FFFFFF12.491.0021.001.00
#0000001.6821.001.0021.00
##FFFFFF12.491.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2C3750
Deuteranopia (green-blind)
#23314F
Tritanopia (blue-blind)
#003D3F
Achromatopsia (no color)
#343434

Design tokens & code

CSS
--color: #10374f;
/* rgb */ color: rgb(16, 55, 79);
/* oklch */ color: oklch(32.2% 0.061 239.8);
Tailwind
colors: {
  custom: {
    50: '#586d80',
    500: '#10374f',
    950: '#000000',
  },
}
SCSS
$custom: #10374f;
$custom-light: #586d80;
$custom-dark: #000000;
JSON
{
  "hex": "#10374f",
  "rgb": {
    "r": 16,
    "g": 55,
    "b": 79
  },
  "hsl": {
    "h": 202.857,
    "s": 66.316,
    "l": 18.627
  },
  "oklch": {
    "l": 0.32209,
    "c": 0.06065,
    "h": 239.8
  },
  "luminance": 0.03407
}

Semantic roles & 50–950 ramp

primary
#10374F
secondary
#895332
accent
#803FE9
background
#F5F6F7
surface
#E9EBEE
border
#C5C6C9
text
#04070A
muted
#797A7C

Preview Lab

Preview with #10374F

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

Preview Lab → · Contrast checker → · Palette generator →

#10374F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva