#1E588A#1E588A

#1E588A is a dark, moderate cyan. Relative luminance 0.091; OKLCH L 44.9% C 0.101 H 248.4°. Best body text is #FFFFFF at 7.45:1 contrast (WCAG AA passes).

Color values

HEX#1E588A
RGBrgb(30, 88, 138)
HSLhsl(208, 64%, 33%)
HSVhsv(208, 78%, 54%)
CMYKcmyk(78.3%, 36.2%, 0%, 45.9%)
CIE-LABlab(36.16, -0.25, -33.10)
CIE-LCHlch(36.16, 33.10, 269.57°)
OKLaboklab(44.87% -0.0372 -0.0941)
OKLCHoklch(44.87% 0.101 248.4)
XYZxyz(8.6108, 9.0894, 25.3404)
Luminance0.0909 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1E588A #8A501E
analogous
#1E8A86 #1E588A #1E228A
triadic
#1E588A #8A1E58 #588A1E
tetradic
#1E588A #861E8A #8A501E #228A1E
square
#1E588A #861E8A #8A501E #228A1E
split-complementary
#1E588A #8A1E22 #8A861E
monochromatic
#081825 #133858 #1E588A #2978BC #4B96D8

Accessibility & contrast

On white

7.45
#1E588A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.82
#1E588A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E588A
7.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1E588A#FFFFFF#000000##FFFFFF
##1E588A1.007.452.827.45
#FFFFFF7.451.0021.001.00
#0000002.8221.001.0021.00
##FFFFFF7.451.0021.001.00

Color blindness preview

Protanopia (red-blind)
#415B8C
Deuteranopia (green-blind)
#315189
Tritanopia (blue-blind)
#00646A
Achromatopsia (no color)
#555555

Design tokens & code

CSS
--color: #1e588a;
/* rgb */ color: rgb(30, 88, 138);
/* oklch */ color: oklch(44.9% 0.101 248.4);
Tailwind
colors: {
  custom: {
    50: '#6a86ac',
    500: '#1e588a',
    950: '#000000',
  },
}
SCSS
$custom: #1e588a;
$custom-light: #6a86ac;
$custom-dark: #000000;
JSON
{
  "hex": "#1e588a",
  "rgb": {
    "r": 30,
    "g": 88,
    "b": 138
  },
  "hsl": {
    "h": 207.778,
    "s": 64.286,
    "l": 32.941
  },
  "oklch": {
    "l": 0.4487,
    "c": 0.10124,
    "h": 248.4
  },
  "luminance": 0.0909
}

Semantic roles & 50–950 ramp

primary
#1E588A
secondary
#BA7E4A
accent
#8E41E7
background
#F6F8FA
surface
#ECEFF4
border
#C7CACE
text
#070B10
muted
#7A7C7F

Preview Lab

Preview with #1E588A

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

Preview Lab → · Contrast checker → · Palette generator →

#1E588A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva