#1E589B#1E589B

#1E589B is a mid, vivid cyan. Relative luminance 0.096; OKLCH L 46.0% C 0.124 H 254.6°. Best body text is #FFFFFF at 7.18:1 contrast (WCAG AA passes).

Color values

HEX#1E589B
RGBrgb(30, 88, 155)
HSLhsl(212, 68%, 36%)
HSVhsv(212, 81%, 61%)
CMYKcmyk(80.6%, 43.2%, 0%, 39.2%)
CIE-LABlab(37.15, 6.46, -41.79)
CIE-LCHlch(37.15, 42.29, 278.78°)
OKLaboklab(45.97% -0.0329 -0.1197)
OKLCHoklch(45.97% 0.124 254.6)
XYZxyz(9.9393, 9.6208, 32.3372)
Luminance0.0962 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1E589B #9B611E
analogous
#1E979B #1E589B #231E9B
triadic
#1E589B #9B1E58 #589B1E
tetradic
#1E589B #9B1E97 #9B611E #1E9B23
square
#1E589B #9B1E97 #9B611E #1E9B23
split-complementary
#1E589B #9B231E #979B1E
monochromatic
#0A1E34 #143B68 #1E589B #2875CE #5595DE

Accessibility & contrast

On white

7.18
#1E589B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.92
#1E589B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E589B
7.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1E589B#FFFFFF#000000##FFFFFF
##1E589B1.007.182.927.18
#FFFFFF7.181.0021.001.00
#0000002.9221.001.0021.00
##FFFFFF7.181.0021.001.00

Color blindness preview

Protanopia (red-blind)
#375E9E
Deuteranopia (green-blind)
#1F529A
Tritanopia (blue-blind)
#006872
Achromatopsia (no color)
#575757

Design tokens & code

CSS
--color: #1e589b;
/* rgb */ color: rgb(30, 88, 155);
/* oklch */ color: oklch(46.0% 0.124 254.6);
Tailwind
colors: {
  custom: {
    50: '#6e86b9',
    500: '#1e589b',
    950: '#000000',
  },
}
SCSS
$custom: #1e589b;
$custom-light: #6e86b9;
$custom-dark: #000000;
JSON
{
  "hex": "#1e589b",
  "rgb": {
    "r": 30,
    "g": 88,
    "b": 155
  },
  "hsl": {
    "h": 212.16,
    "s": 67.568,
    "l": 36.275
  },
  "oklch": {
    "l": 0.45973,
    "c": 0.12409,
    "h": 254.6
  },
  "luminance": 0.09622
}

Semantic roles & 50–950 ramp

primary
#1E589B
secondary
#C28E53
accent
#9A3DEA
background
#F7F8FB
surface
#EDEFF6
border
#C8CAD0
text
#080B11
muted
#7B7C80

Preview Lab

Preview with #1E589B

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

Preview Lab → · Contrast checker → · Palette generator →

#1E589B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva