#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
RGB	rgb(30, 88, 140)
HSL	hsl(208, 65%, 33%)
HSV	hsv(208, 79%, 55%)
CMYK	cmyk(78.6%, 37.1%, 0%, 45.1%)
CIE-LAB	lab(36.27, 0.54, -34.14)
CIE-LCH	lch(36.27, 34.14, 270.90°)
OKLab	oklab(44.99% -0.0366 -0.0972)
OKLCH	oklch(44.99% 0.104 249.3)
XYZ	xyz(8.7570, 9.1479, 26.1101)
Luminance	0.0915 (WCAG relative)
Temperature	cool
Family	cyan

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
##1E588C	1.00	7.42	2.83	7.42
#FFFFFF	7.42	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.42	1.00	21.00	1.00

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.

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