#103A4C#103A4C

#103A4C is a dark, muted cyan. Relative luminance 0.037; OKLCH L 32.9% C 0.055 H 230.4°. Best body text is #FFFFFF at 12.13:1 contrast (WCAG AA passes).

Color values

HEX#103A4C
RGBrgb(16, 58, 76)
HSLhsl(198, 65%, 18%)
HSVhsv(198, 79%, 30%)
CMYKcmyk(78.9%, 23.7%, 0%, 70.2%)
CIE-LABlab(22.51, -7.42, -15.16)
CIE-LCHlch(22.51, 16.88, 243.92°)
OKLaboklab(32.88% -0.0352 -0.0426)
OKLCHoklch(32.88% 0.055 230.4)
XYZxyz(3.0307, 3.6577, 7.3824)
Luminance0.0366 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#103A4C #4C2210
analogous
#104C40 #103A4C #101C4C
triadic
#103A4C #4C103A #3A4C10
tetradic
#103A4C #40104C #4C2210 #1C4C10
square
#103A4C #40104C #4C2210 #1C4C10
split-complementary
#103A4C #4C101C #4C4010
monochromatic
#051319 #051319 #103A4C #1B617F #2587B1

Accessibility & contrast

On white

12.13
#103A4C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.73
#103A4C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103A4C
12.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##103A4C#FFFFFF#000000##FFFFFF
##103A4C1.0012.131.7312.13
#FFFFFF12.131.0021.001.00
#0000001.7321.001.0021.00
##FFFFFF12.131.0021.001.00

Color blindness preview

Protanopia (red-blind)
#31394D
Deuteranopia (green-blind)
#29334C
Tritanopia (blue-blind)
#003F40
Achromatopsia (no color)
#363636

Design tokens & code

CSS
--color: #103a4c;
/* rgb */ color: rgb(16, 58, 76);
/* oklch */ color: oklch(32.9% 0.055 230.4);
Tailwind
colors: {
  custom: {
    50: '#58707e',
    500: '#103a4c',
    950: '#000000',
  },
}
SCSS
$custom: #103a4c;
$custom-light: #58707e;
$custom-dark: #000000;
JSON
{
  "hex": "#103a4c",
  "rgb": {
    "r": 16,
    "g": 58,
    "b": 76
  },
  "hsl": {
    "h": 198,
    "s": 65.217,
    "l": 18.039
  },
  "oklch": {
    "l": 0.32876,
    "c": 0.05523,
    "h": 230.4
  },
  "luminance": 0.03658
}

Semantic roles & 50–950 ramp

primary
#103A4C
secondary
#864B32
accent
#7240E8
background
#F5F6F7
surface
#E9ECEE
border
#C5C7C9
text
#040709
muted
#797A7B

Preview Lab

Preview with #103A4C

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

Preview Lab → · Contrast checker → · Palette generator →

#103A4C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva