#1C588E#1C588E

#1C588E is a mid, moderate cyan. Relative luminance 0.092; OKLCH L 45.1% C 0.107 H 249.7°. Best body text is #FFFFFF at 7.41:1 contrast (WCAG AA passes).

Color values

HEX#1C588E
RGBrgb(28, 88, 142)
HSLhsl(208, 67%, 33%)
HSVhsv(208, 80%, 56%)
CMYKcmyk(80.3%, 38%, 0%, 44.3%)
CIE-LABlab(36.33, 1.08, -35.27)
CIE-LCHlch(36.33, 35.28, 271.75°)
OKLaboklab(45.06% -0.0372 -0.1005)
OKLCHoklch(45.06% 0.107 249.7)
XYZxyz(8.8492, 9.1783, 26.8911)
Luminance0.0918 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C588E #8E521C
analogous
#1C8E8B #1C588E #1C1F8E
triadic
#1C588E #8E1C58 #588E1C
tetradic
#1C588E #8B1C8E #8E521C #1F8E1C
square
#1C588E #8B1C8E #8E521C #1F8E1C
split-complementary
#1C588E #8E1C1F #8E8B1C
monochromatic
#081928 #12385B #1C588E #2678C1 #4996DB

Accessibility & contrast

On white

7.41
#1C588E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.84
#1C588E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C588E
7.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C588E#FFFFFF#000000##FFFFFF
##1C588E1.007.412.847.41
#FFFFFF7.411.0021.001.00
#0000002.8421.001.0021.00
##FFFFFF7.411.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3F5B90
Deuteranopia (green-blind)
#2D518D
Tritanopia (blue-blind)
#00656C
Achromatopsia (no color)
#555555

Design tokens & code

CSS
--color: #1c588e;
/* rgb */ color: rgb(28, 88, 142);
/* oklch */ color: oklch(45.1% 0.107 249.7);
Tailwind
colors: {
  custom: {
    50: '#6b86af',
    500: '#1c588e',
    950: '#000000',
  },
}
SCSS
$custom: #1c588e;
$custom-light: #6b86af;
$custom-dark: #000000;
JSON
{
  "hex": "#1c588e",
  "rgb": {
    "r": 28,
    "g": 88,
    "b": 142
  },
  "hsl": {
    "h": 208.421,
    "s": 67.059,
    "l": 33.333
  },
  "oklch": {
    "l": 0.4506,
    "c": 0.10718,
    "h": 249.7
  },
  "luminance": 0.09179
}

Semantic roles & 50–950 ramp

primary
#1C588E
secondary
#BD8049
accent
#8F3EEA
background
#F6F8FA
surface
#ECEFF4
border
#C7CACE
text
#080B10
muted
#7A7C7F

Preview Lab

Preview with #1C588E

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

Preview Lab → · Contrast checker → · Palette generator →

#1C588E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva