#103F52#103F52

#103F52 is a dark, muted cyan. Relative luminance 0.043; OKLCH L 34.6% C 0.059 H 229.4°. Best body text is #FFFFFF at 11.32:1 contrast (WCAG AA passes).

Color values

HEX#103F52
RGBrgb(16, 63, 82)
HSLhsl(197, 67%, 19%)
HSVhsv(197, 80%, 32%)
CMYKcmyk(80.5%, 23.2%, 0%, 67.8%)
CIE-LABlab(24.56, -8.25, -15.95)
CIE-LCHlch(24.56, 17.96, 242.64°)
OKLaboklab(34.61% -0.0384 -0.0448)
OKLCHoklch(34.61% 0.059 229.4)
XYZxyz(3.5136, 4.2740, 8.6208)
Luminance0.0427 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#103F52 #522310
analogous
#105244 #103F52 #101E52
triadic
#103F52 #52103F #3F5210
tetradic
#103F52 #441052 #522310 #1E5210
square
#103F52 #441052 #522310 #1E5210
split-complementary
#103F52 #52101E #524410
monochromatic
#05141A #06181F #103F52 #1A6685 #248EB8

Accessibility & contrast

On white

11.32
#103F52 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.85
#103F52 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103F52
11.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##103F52#FFFFFF#000000##FFFFFF
##103F521.0011.321.8511.32
#FFFFFF11.321.0021.001.00
#0000001.8521.001.0021.00
##FFFFFF11.321.0021.001.00

Color blindness preview

Protanopia (red-blind)
#353E53
Deuteranopia (green-blind)
#2C3852
Tritanopia (blue-blind)
#004445
Achromatopsia (no color)
#3A3A3A

Design tokens & code

CSS
--color: #103f52;
/* rgb */ color: rgb(16, 63, 82);
/* oklch */ color: oklch(34.6% 0.059 229.4);
Tailwind
colors: {
  custom: {
    50: '#597482',
    500: '#103f52',
    950: '#000000',
  },
}
SCSS
$custom: #103f52;
$custom-light: #597482;
$custom-dark: #000000;
JSON
{
  "hex": "#103f52",
  "rgb": {
    "r": 16,
    "g": 63,
    "b": 82
  },
  "hsl": {
    "h": 197.273,
    "s": 67.347,
    "l": 19.216
  },
  "oklch": {
    "l": 0.3461,
    "c": 0.05904,
    "h": 229.4
  },
  "luminance": 0.04274
}

Semantic roles & 50–950 ramp

primary
#103F52
secondary
#8C4C32
accent
#6F3EEA
background
#F5F7F7
surface
#E9EDEE
border
#C5C8C9
text
#04080A
muted
#797B7C

Preview Lab

Preview with #103F52

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

Preview Lab → · Contrast checker → · Palette generator →

#103F52 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva