#1E587B#1E587B

#1E587B is a dark, moderate cyan. Relative luminance 0.087; OKLCH L 44.0% C 0.083 H 239.3°. Best body text is #FFFFFF at 7.67:1 contrast (WCAG AA passes).

Color values

HEX#1E587B
RGBrgb(30, 88, 123)
HSLhsl(203, 61%, 30%)
HSVhsv(203, 76%, 48%)
CMYKcmyk(75.6%, 28.5%, 0%, 51.8%)
CIE-LABlab(35.37, -6.02, -25.14)
CIE-LCHlch(35.37, 25.85, 256.52°)
OKLaboklab(43.99% -0.0421 -0.071)
OKLCHoklch(43.99% 0.083 239.3)
XYZxyz(7.5989, 8.6847, 20.0109)
Luminance0.0869 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1E587B #7B411E
analogous
#1E7B70 #1E587B #1E297B
triadic
#1E587B #7B1E58 #587B1E
tetradic
#1E587B #701E7B #7B411E #297B1E
square
#1E587B #701E7B #7B411E #297B1E
split-complementary
#1E587B #7B1E29 #7B701E
monochromatic
#061219 #12354A #1E587B #2A7BAC #429BD1

Accessibility & contrast

On white

7.67
#1E587B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.74
#1E587B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E587B
7.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1E587B#FFFFFF#000000##FFFFFF
##1E587B1.007.672.747.67
#FFFFFF7.671.0021.001.00
#0000002.7421.001.0021.00
##FFFFFF7.671.0021.001.00

Color blindness preview

Protanopia (red-blind)
#48587D
Deuteranopia (green-blind)
#3B4F7A
Tritanopia (blue-blind)
#006164
Achromatopsia (no color)
#535353

Design tokens & code

CSS
--color: #1e587b;
/* rgb */ color: rgb(30, 88, 123);
/* oklch */ color: oklch(44.0% 0.083 239.3);
Tailwind
colors: {
  custom: {
    50: '#6787a1',
    500: '#1e587b',
    950: '#000000',
  },
}
SCSS
$custom: #1e587b;
$custom-light: #6787a1;
$custom-dark: #000000;
JSON
{
  "hex": "#1e587b",
  "rgb": {
    "r": 30,
    "g": 88,
    "b": 123
  },
  "hsl": {
    "h": 202.581,
    "s": 60.784,
    "l": 30
  },
  "oklch": {
    "l": 0.43992,
    "c": 0.0825,
    "h": 239.3
  },
  "luminance": 0.08686
}

Semantic roles & 50–950 ramp

primary
#1E587B
secondary
#AE6E46
accent
#8044E4
background
#F6F8F9
surface
#EBEFF2
border
#C6CACC
text
#070B0F
muted
#7A7C7E

Preview Lab

Preview with #1E587B

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

Preview Lab → · Contrast checker → · Palette generator →

#1E587B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva