#103F53#103F53

#103F53 is a dark, moderate cyan. Relative luminance 0.043; OKLCH L 34.7% C 0.060 H 230.7°. Best body text is #FFFFFF at 11.30:1 contrast (WCAG AA passes).

Color values

HEX#103F53
RGBrgb(16, 63, 83)
HSLhsl(198, 68%, 19%)
HSVhsv(198, 81%, 33%)
CMYKcmyk(80.7%, 24.1%, 0%, 67.5%)
CIE-LABlab(24.61, -7.86, -16.54)
CIE-LCHlch(24.61, 18.31, 244.58°)
OKLaboklab(34.67% -0.038 -0.0465)
OKLCHoklch(34.67% 0.06 230.7)
XYZxyz(3.5519, 4.2893, 8.8227)
Luminance0.0429 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#103F53 #532410
analogous
#105346 #103F53 #101E53
triadic
#103F53 #53103F #3F5310
tetradic
#103F53 #461053 #532410 #1E5310
square
#103F53 #461053 #532410 #1E5310
split-complementary
#103F53 #53101E #534610
monochromatic
#05131A #061820 #103F53 #1A6686 #248DBA

Accessibility & contrast

On white

11.30
#103F53 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.86
#103F53 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103F53
11.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##103F53#FFFFFF#000000##FFFFFF
##103F531.0011.301.8611.30
#FFFFFF11.301.0021.001.00
#0000001.8621.001.0021.00
##FFFFFF11.301.0021.001.00

Color blindness preview

Protanopia (red-blind)
#353E54
Deuteranopia (green-blind)
#2C3853
Tritanopia (blue-blind)
#004446
Achromatopsia (no color)
#3A3A3A

Design tokens & code

CSS
--color: #103f53;
/* rgb */ color: rgb(16, 63, 83);
/* oklch */ color: oklch(34.7% 0.060 230.7);
Tailwind
colors: {
  custom: {
    50: '#5a7483',
    500: '#103f53',
    950: '#000000',
  },
}
SCSS
$custom: #103f53;
$custom-light: #5a7483;
$custom-dark: #000000;
JSON
{
  "hex": "#103f53",
  "rgb": {
    "r": 16,
    "g": 63,
    "b": 83
  },
  "hsl": {
    "h": 197.91,
    "s": 67.677,
    "l": 19.412
  },
  "oklch": {
    "l": 0.34665,
    "c": 0.06005,
    "h": 230.7
  },
  "luminance": 0.0429
}

Semantic roles & 50–950 ramp

primary
#103F53
secondary
#8D4D32
accent
#713DEB
background
#F5F7F8
surface
#E9EDEF
border
#C5C8CA
text
#04080A
muted
#797B7C

Preview Lab

Preview with #103F53

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

Preview Lab → · Contrast checker → · Palette generator →

#103F53 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva