#2588A4#2588A4

#2588A4 is a mid, moderate cyan. Relative luminance 0.207; OKLCH L 58.4% C 0.097 H 221.5°. Best body text is #000000 at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#2588A4
RGB	rgb(37, 136, 164)
HSL	hsl(193, 63%, 39%)
HSV	hsv(193, 77%, 64%)
CMYK	cmyk(77.4%, 17.1%, 0%, 35.7%)
CIE-LAB	lab(52.60, -18.09, -22.85)
CIE-LCH	lch(52.60, 29.14, 231.64°)
OKLab	oklab(58.4% -0.0724 -0.064)
OKLCH	oklch(58.4% 0.097 221.5)
XYZ	xyz(16.2651, 20.6800, 38.2492)
Luminance	0.2068 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2588A4 #A44125

analogous

#25A480 #2588A4 #2549A4

triadic

#2588A4 #A42588 #88A425

tetradic

#2588A4 #8025A4 #A44125 #49A425

square

#2588A4 #8025A4 #A44125 #49A425

split-complementary

#2588A4 #A42549 #A48025

monochromatic

#0E3540 #1A5F72 #2588A4 #35AFD1 #67C3DD

Accessibility & contrast

On white

4.09

#2588A4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.14

#2588A4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2588A4

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2588A4	#FFFFFF	#000000	##000000
##2588A4	1.00	4.09	5.14	5.14
#FFFFFF	4.09	1.00	21.00	21.00
#000000	5.14	21.00	1.00	1.00
##000000	5.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7784A5

Deuteranopia (green-blind)

#6678A4

Tritanopia (blue-blind)

#009191

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #2588a4;
/* rgb */ color: rgb(37, 136, 164);
/* oklch */ color: oklch(58.4% 0.097 221.5);

Tailwind

colors: {
  custom: {
    50: '#74aabf',
    500: '#2588a4',
    950: '#000000',
  },
}

SCSS

$custom: #2588a4;
$custom-light: #74aabf;
$custom-dark: #000000;

JSON

{
  "hex": "#2588a4",
  "rgb": {
    "r": 37,
    "g": 136,
    "b": 164
  },
  "hsl": {
    "h": 193.228,
    "s": 63.184,
    "l": 39.412
  },
  "oklch": {
    "l": 0.58397,
    "c": 0.09657,
    "h": 221.5
  },
  "luminance": 0.20682
}

Semantic roles & 50–950 ramp

primary

#2588A4

secondary

#C27862

accent

#6642E6

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#091012

muted

#7B7F81

Preview Lab

Preview with #2588A4

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

Preview Lab → · Contrast checker → · Palette generator →