#1E578C#1E578C

#1E578C is a dark, moderate cyan. Relative luminance 0.090; OKLCH L 44.7% C 0.105 H 250.1°. Best body text is #FFFFFF at 7.51:1 contrast (WCAG AA passes).

Color values

HEX#1E578C
RGBrgb(30, 87, 140)
HSLhsl(209, 65%, 33%)
HSVhsv(209, 79%, 55%)
CMYKcmyk(78.6%, 37.9%, 0%, 45.1%)
CIE-LABlab(35.95, 1.18, -34.63)
CIE-LCHlch(35.95, 34.65, 271.95°)
OKLaboklab(44.75% -0.0357 -0.0987)
OKLCHoklch(44.75% 0.105 250.1)
XYZxyz(8.6754, 8.9848, 26.0829)
Luminance0.0899 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1E578C #8C531E
analogous
#1E8C8A #1E578C #1E208C
triadic
#1E578C #8C1E57 #578C1E
tetradic
#1E578C #8A1E8C #8C531E #208C1E
square
#1E578C #8A1E8C #8C531E #208C1E
split-complementary
#1E578C #8C1E20 #8C8A1E
monochromatic
#081827 #13385A #1E578C #2976BE #4C95D9

Accessibility & contrast

On white

7.51
#1E578C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.80
#1E578C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E578C
7.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1E578C#FFFFFF#000000##FFFFFF
##1E578C1.007.512.807.51
#FFFFFF7.511.0021.001.00
#0000002.8021.001.0021.00
##FFFFFF7.511.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3E5A8E
Deuteranopia (green-blind)
#2E508B
Tritanopia (blue-blind)
#00646B
Achromatopsia (no color)
#555555

Design tokens & code

CSS
--color: #1e578c;
/* rgb */ color: rgb(30, 87, 140);
/* oklch */ color: oklch(44.7% 0.105 250.1);
Tailwind
colors: {
  custom: {
    50: '#6b86ae',
    500: '#1e578c',
    950: '#000000',
  },
}
SCSS
$custom: #1e578c;
$custom-light: #6b86ae;
$custom-dark: #000000;
JSON
{
  "hex": "#1e578c",
  "rgb": {
    "r": 30,
    "g": 87,
    "b": 140
  },
  "hsl": {
    "h": 208.909,
    "s": 64.706,
    "l": 33.333
  },
  "oklch": {
    "l": 0.44749,
    "c": 0.10493,
    "h": 250.1
  },
  "luminance": 0.08986
}

Semantic roles & 50–950 ramp

primary
#1E578C
secondary
#BB814B
accent
#9140E8
background
#F6F8FA
surface
#ECEFF4
border
#C7CACE
text
#080B10
muted
#7A7C7F

Preview Lab

Preview with #1E578C

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

Preview Lab → · Contrast checker → · Palette generator →

#1E578C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva