#1C599D#1C599D

#1C599D is a mid, vivid cyan. Relative luminance 0.098; OKLCH L 46.3% C 0.126 H 254.2°. Best body text is #FFFFFF at 7.08:1 contrast (WCAG AA passes).

Color values

HEX#1C599D
RGBrgb(28, 89, 157)
HSLhsl(212, 70%, 36%)
HSVhsv(212, 82%, 62%)
CMYKcmyk(82.2%, 43.3%, 0%, 38.4%)
CIE-LABlab(37.53, 6.38, -42.40)
CIE-LCHlch(37.53, 42.88, 278.56°)
OKLaboklab(46.29% -0.0344 -0.1214)
OKLCHoklch(46.29% 0.126 254.2)
XYZxyz(10.1348, 9.8247, 33.2540)
Luminance0.0983 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C599D #9D601C
analogous
#1C9A9D #1C599D #201C9D
triadic
#1C599D #9D1C59 #599D1C
tetradic
#1C599D #9D1C9A #9D601C #1C9D20
square
#1C599D #9D1C9A #9D601C #1C9D20
split-complementary
#1C599D #9D201C #9A9D1C
monochromatic
#091E35 #133C69 #1C599D #2576D1 #5396E0

Accessibility & contrast

On white

7.08
#1C599D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.97
#1C599D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C599D
7.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C599D#FFFFFF#000000##FFFFFF
##1C599D1.007.082.977.08
#FFFFFF7.081.0021.001.00
#0000002.9721.001.0021.00
##FFFFFF7.081.0021.001.00

Color blindness preview

Protanopia (red-blind)
#375FA0
Deuteranopia (green-blind)
#1F539C
Tritanopia (blue-blind)
#006973
Achromatopsia (no color)
#585858

Design tokens & code

CSS
--color: #1c599d;
/* rgb */ color: rgb(28, 89, 157);
/* oklch */ color: oklch(46.3% 0.126 254.2);
Tailwind
colors: {
  custom: {
    50: '#6e87ba',
    500: '#1c599d',
    950: '#000000',
  },
}
SCSS
$custom: #1c599d;
$custom-light: #6e87ba;
$custom-dark: #000000;
JSON
{
  "hex": "#1c599d",
  "rgb": {
    "r": 28,
    "g": 89,
    "b": 157
  },
  "hsl": {
    "h": 211.628,
    "s": 69.73,
    "l": 36.275
  },
  "oklch": {
    "l": 0.46288,
    "c": 0.12622,
    "h": 254.2
  },
  "luminance": 0.09826
}

Semantic roles & 50–950 ramp

primary
#1C599D
secondary
#C38D51
accent
#993BED
background
#F7F8FB
surface
#EDEFF6
border
#C8CAD0
text
#080B12
muted
#7B7C81

Preview Lab

Preview with #1C599D

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

Preview Lab → · Contrast checker → · Palette generator →

#1C599D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva