#103A51#103A51

#103A51 is a dark, moderate cyan. Relative luminance 0.037; OKLCH L 33.2% C 0.061 H 237.0°. Best body text is #FFFFFF at 12.03:1 contrast (WCAG AA passes).

Color values

HEX#103A51
RGBrgb(16, 58, 81)
HSLhsl(201, 67%, 19%)
HSVhsv(201, 80%, 32%)
CMYKcmyk(80.2%, 28.4%, 0%, 68.2%)
CIE-LABlab(22.76, -5.42, -18.09)
CIE-LCHlch(22.76, 18.89, 253.33°)
OKLaboklab(33.16% -0.0331 -0.051)
OKLCHoklch(33.16% 0.061 237)
XYZxyz(3.2114, 3.7300, 8.3337)
Luminance0.0373 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#103A51 #512710
analogous
#105148 #103A51 #101A51
triadic
#103A51 #51103A #3A5110
tetradic
#103A51 #481051 #512710 #1A5110
square
#103A51 #481051 #512710 #1A5110
split-complementary
#103A51 #51101A #514810
monochromatic
#05121A #06151E #103A51 #1A5F84 #2483B7

Accessibility & contrast

On white

12.03
#103A51 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.75
#103A51 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103A51
12.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##103A51#FFFFFF#000000##FFFFFF
##103A511.0012.031.7512.03
#FFFFFF12.031.0021.001.00
#0000001.7521.001.0021.00
##FFFFFF12.031.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2F3A52
Deuteranopia (green-blind)
#263451
Tritanopia (blue-blind)
#004042
Achromatopsia (no color)
#363636

Design tokens & code

CSS
--color: #103a51;
/* rgb */ color: rgb(16, 58, 81);
/* oklch */ color: oklch(33.2% 0.061 237.0);
Tailwind
colors: {
  custom: {
    50: '#597082',
    500: '#103a51',
    950: '#000000',
  },
}
SCSS
$custom: #103a51;
$custom-light: #597082;
$custom-dark: #000000;
JSON
{
  "hex": "#103a51",
  "rgb": {
    "r": 16,
    "g": 58,
    "b": 81
  },
  "hsl": {
    "h": 201.231,
    "s": 67.01,
    "l": 19.02
  },
  "oklch": {
    "l": 0.3316,
    "c": 0.06084,
    "h": 237
  },
  "luminance": 0.0373
}

Semantic roles & 50–950 ramp

primary
#103A51
secondary
#8B5132
accent
#7B3EEA
background
#F5F6F7
surface
#E9ECEE
border
#C5C7C9
text
#04070A
muted
#797A7C

Preview Lab

Preview with #103A51

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

Preview Lab → · Contrast checker → · Palette generator →

#103A51 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva