#1C5F90#1C5F90

#1C5F90 is a mid, moderate cyan. Relative luminance 0.104; OKLCH L 46.9% C 0.103 H 245.1°. Best body text is #FFFFFF at 6.80:1 contrast (WCAG AA passes).

Color values

HEX#1C5F90
RGBrgb(28, 95, 144)
HSLhsl(205, 67%, 34%)
HSVhsv(205, 81%, 56%)
CMYKcmyk(80.6%, 34%, 0%, 43.5%)
CIE-LABlab(38.63, -2.58, -32.83)
CIE-LCHlch(38.63, 32.93, 265.50°)
OKLaboklab(46.91% -0.0432 -0.0933)
OKLCHoklch(46.91% 0.103 245.1)
XYZxyz(9.6032, 10.4438, 27.8899)
Luminance0.1045 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C5F90 #904D1C
analogous
#1C9087 #1C5F90 #1C2590
triadic
#1C5F90 #901C5F #5F901C
tetradic
#1C5F90 #871C90 #904D1C #25901C
square
#1C5F90 #871C90 #904D1C #25901C
split-complementary
#1C5F90 #901C25 #90871C
monochromatic
#081B2A #123D5D #1C5F90 #2681C3 #4A9EDC

Accessibility & contrast

On white

6.80
#1C5F90 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.09
#1C5F90 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1C5F90
6.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C5F90#FFFFFF#000000##FFFFFF
##1C5F901.006.803.096.80
#FFFFFF6.801.0021.001.00
#0000003.0921.001.0021.00
##FFFFFF6.801.0021.001.00

Color blindness preview

Protanopia (red-blind)
#486192
Deuteranopia (green-blind)
#38568F
Tritanopia (blue-blind)
#006B71
Achromatopsia (no color)
#5B5B5B

Design tokens & code

CSS
--color: #1c5f90;
/* rgb */ color: rgb(28, 95, 144);
/* oklch */ color: oklch(46.9% 0.103 245.1);
Tailwind
colors: {
  custom: {
    50: '#6b8cb1',
    500: '#1c5f90',
    950: '#000000',
  },
}
SCSS
$custom: #1c5f90;
$custom-light: #6b8cb1;
$custom-dark: #000000;
JSON
{
  "hex": "#1c5f90",
  "rgb": {
    "r": 28,
    "g": 95,
    "b": 144
  },
  "hsl": {
    "h": 205.345,
    "s": 67.442,
    "l": 33.725
  },
  "oklch": {
    "l": 0.46907,
    "c": 0.10281,
    "h": 245.1
  },
  "luminance": 0.10445
}

Semantic roles & 50–950 ramp

primary
#1C5F90
secondary
#BE7B4A
accent
#863DEA
background
#F6F8FA
surface
#ECF0F5
border
#C7CBCF
text
#080C10
muted
#7A7D7F

Preview Lab

Preview with #1C5F90

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

Preview Lab → · Contrast checker → · Palette generator →

#1C5F90 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva