#103F54#103F54

#103F54 is a dark, moderate cyan. Relative luminance 0.043; OKLCH L 34.7% C 0.061 H 232.0°. Best body text is #FFFFFF at 11.28:1 contrast (WCAG AA passes).

Color values

HEX#103F54
RGBrgb(16, 63, 84)
HSLhsl(199, 68%, 20%)
HSVhsv(199, 81%, 33%)
CMYKcmyk(81%, 25%, 0%, 67.1%)
CIE-LABlab(24.65, -7.46, -17.12)
CIE-LCHlch(24.65, 18.67, 246.44°)
OKLaboklab(34.72% -0.0376 -0.0481)
OKLCHoklch(34.72% 0.061 232)
XYZxyz(3.5908, 4.3048, 9.0275)
Luminance0.0430 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#103F54 #542510
analogous
#105447 #103F54 #101D54
triadic
#103F54 #54103F #3F5410
tetradic
#103F54 #471054 #542510 #1D5410
square
#103F54 #471054 #542510 #1D5410
split-complementary
#103F54 #54101D #544710
monochromatic
#05131A #061821 #103F54 #1A6687 #248CBB

Accessibility & contrast

On white

11.28
#103F54 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.86
#103F54 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103F54
11.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##103F54#FFFFFF#000000##FFFFFF
##103F541.0011.281.8611.28
#FFFFFF11.281.0021.001.00
#0000001.8621.001.0021.00
##FFFFFF11.281.0021.001.00

Color blindness preview

Protanopia (red-blind)
#343E55
Deuteranopia (green-blind)
#2B3854
Tritanopia (blue-blind)
#004546
Achromatopsia (no color)
#3B3B3B

Design tokens & code

CSS
--color: #103f54;
/* rgb */ color: rgb(16, 63, 84);
/* oklch */ color: oklch(34.7% 0.061 232.0);
Tailwind
colors: {
  custom: {
    50: '#5a7484',
    500: '#103f54',
    950: '#000000',
  },
}
SCSS
$custom: #103f54;
$custom-light: #5a7484;
$custom-dark: #000000;
JSON
{
  "hex": "#103f54",
  "rgb": {
    "r": 16,
    "g": 63,
    "b": 84
  },
  "hsl": {
    "h": 198.529,
    "s": 68,
    "l": 19.608
  },
  "oklch": {
    "l": 0.3472,
    "c": 0.0611,
    "h": 232
  },
  "luminance": 0.04305
}

Semantic roles & 50–950 ramp

primary
#103F54
secondary
#8E4E32
accent
#733DEB
background
#F5F7F8
surface
#E9EDEF
border
#C5C8CA
text
#04080A
muted
#797B7C

Preview Lab

Preview with #103F54

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

Preview Lab → · Contrast checker → · Palette generator →

#103F54 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva