#103B65#103B65

#103B65 is a dark, moderate cyan. Relative luminance 0.042; OKLCH L 34.7% C 0.087 H 251.5°. Best body text is #FFFFFF at 11.44:1 contrast (WCAG AA passes).

Color values

HEX#103B65
RGBrgb(16, 59, 101)
HSLhsl(210, 73%, 23%)
HSVhsv(210, 84%, 40%)
CMYKcmyk(84.2%, 41.6%, 0%, 60.4%)
CIE-LABlab(24.25, 2.23, -28.83)
CIE-LCHlch(24.25, 28.92, 274.43°)
OKLaboklab(34.71% -0.0275 -0.0823)
OKLCHoklch(34.71% 0.087 251.5)
XYZxyz(4.1257, 4.1772, 12.8982)
Luminance0.0418 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#103B65 #653A10
analogous
#106564 #103B65 #101065
triadic
#103B65 #65103B #3B6510
tetradic
#103B65 #641065 #653A10 #106510
square
#103B65 #641065 #653A10 #106510
split-complementary
#103B65 #651010 #656410
monochromatic
#040F1A #081C30 #103B65 #185A9A #2179CF

Accessibility & contrast

On white

11.44
#103B65 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.84
#103B65 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103B65
11.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##103B65#FFFFFF#000000##FFFFFF
##103B651.0011.441.8411.44
#FFFFFF11.441.0021.001.00
#0000001.8421.001.0021.00
##FFFFFF11.441.0021.001.00

Color blindness preview

Protanopia (red-blind)
#273E67
Deuteranopia (green-blind)
#193664
Tritanopia (blue-blind)
#00454B
Achromatopsia (no color)
#3A3A3A

Design tokens & code

CSS
--color: #103b65;
/* rgb */ color: rgb(16, 59, 101);
/* oklch */ color: oklch(34.7% 0.087 251.5);
Tailwind
colors: {
  custom: {
    50: '#5d7091',
    500: '#103b65',
    950: '#000000',
  },
}
SCSS
$custom: #103b65;
$custom-light: #5d7091;
$custom-dark: #000000;
JSON
{
  "hex": "#103b65",
  "rgb": {
    "r": 16,
    "g": 59,
    "b": 101
  },
  "hsl": {
    "h": 209.647,
    "s": 72.65,
    "l": 22.941
  },
  "oklch": {
    "l": 0.34711,
    "c": 0.08682,
    "h": 251.5
  },
  "luminance": 0.04178
}

Semantic roles & 50–950 ramp

primary
#103B65
secondary
#9D6833
accent
#9338EF
background
#F5F6F8
surface
#EAECF0
border
#C6C7CB
text
#05070D
muted
#797A7D

Preview Lab

Preview with #103B65

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

Preview Lab → · Contrast checker → · Palette generator →

#103B65 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva