#1E588C#1E588C

#1E588C is a dark, moderate cyan. Relative luminance 0.091; OKLCH L 45.0% C 0.104 H 249.3°. Best body text is #FFFFFF at 7.42:1 contrast (WCAG AA passes).

Color values

HEX#1E588C
RGBrgb(30, 88, 140)
HSLhsl(208, 65%, 33%)
HSVhsv(208, 79%, 55%)
CMYKcmyk(78.6%, 37.1%, 0%, 45.1%)
CIE-LABlab(36.27, 0.54, -34.14)
CIE-LCHlch(36.27, 34.14, 270.90°)
OKLaboklab(44.99% -0.0366 -0.0972)
OKLCHoklch(44.99% 0.104 249.3)
XYZxyz(8.7570, 9.1479, 26.1101)
Luminance0.0915 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1E588C #8C521E
analogous
#1E8C89 #1E588C #1E218C
triadic
#1E588C #8C1E58 #588C1E
tetradic
#1E588C #891E8C #8C521E #218C1E
square
#1E588C #891E8C #8C521E #218C1E
split-complementary
#1E588C #8C1E21 #8C891E
monochromatic
#081927 #13385A #1E588C #2978BE #4C96D9

Accessibility & contrast

On white

7.42
#1E588C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.83
#1E588C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E588C
7.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1E588C#FFFFFF#000000##FFFFFF
##1E588C1.007.422.837.42
#FFFFFF7.421.0021.001.00
#0000002.8321.001.0021.00
##FFFFFF7.421.0021.001.00

Color blindness preview

Protanopia (red-blind)
#405B8E
Deuteranopia (green-blind)
#2F518B
Tritanopia (blue-blind)
#00646B
Achromatopsia (no color)
#555555

Design tokens & code

CSS
--color: #1e588c;
/* rgb */ color: rgb(30, 88, 140);
/* oklch */ color: oklch(45.0% 0.104 249.3);
Tailwind
colors: {
  custom: {
    50: '#6b86ae',
    500: '#1e588c',
    950: '#000000',
  },
}
SCSS
$custom: #1e588c;
$custom-light: #6b86ae;
$custom-dark: #000000;
JSON
{
  "hex": "#1e588c",
  "rgb": {
    "r": 30,
    "g": 88,
    "b": 140
  },
  "hsl": {
    "h": 208.364,
    "s": 64.706,
    "l": 33.333
  },
  "oklch": {
    "l": 0.44994,
    "c": 0.10388,
    "h": 249.3
  },
  "luminance": 0.09149
}

Semantic roles & 50–950 ramp

primary
#1E588C
secondary
#BB804B
accent
#8F40E8
background
#F6F8FA
surface
#ECEFF4
border
#C7CACE
text
#080B10
muted
#7A7C7F

Preview Lab

Preview with #1E588C

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

Preview Lab → · Contrast checker → · Palette generator →

#1E588C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva