#2587A8#2587A8

#2587A8 is a mid, moderate cyan. Relative luminance 0.205; OKLCH L 58.3% C 0.100 H 225.6°. Best body text is #000000 at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#2587A8
RGB	rgb(37, 135, 168)
HSL	hsl(195, 64%, 40%)
HSV	hsv(195, 78%, 66%)
CMYK	cmyk(78%, 19.6%, 0%, 34.1%)
CIE-LAB	lab(52.45, -16.16, -25.38)
CIE-LCH	lch(52.45, 30.09, 237.51°)
OKLab	oklab(58.33% -0.0698 -0.0712)
OKLCH	oklch(58.33% 0.1 225.6)
XYZ	xyz(16.4919, 20.5464, 40.1349)
Luminance	0.2055 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2587A8 #A84625

analogous

#25A888 #2587A8 #2545A8

triadic

#2587A8 #A82587 #87A825

tetradic

#2587A8 #8825A8 #A84625 #45A825

square

#2587A8 #8825A8 #A84625 #45A825

split-complementary

#2587A8 #A82545 #A88825

monochromatic

#0F3644 #1A5F76 #2587A8 #37ACD3 #69C1DE

Accessibility & contrast

On white

4.11

#2587A8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.11

#2587A8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2587A8

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2587A8	#FFFFFF	#000000	##000000
##2587A8	1.00	4.11	5.11	5.11
#FFFFFF	4.11	1.00	21.00	21.00
#000000	5.11	21.00	1.00	1.00
##000000	5.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7584AA

Deuteranopia (green-blind)

#6378A8

Tritanopia (blue-blind)

#009192

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #2587a8;
/* rgb */ color: rgb(37, 135, 168);
/* oklch */ color: oklch(58.3% 0.100 225.6);

Tailwind

colors: {
  custom: {
    50: '#75aac2',
    500: '#2587a8',
    950: '#000000',
  },
}

SCSS

$custom: #2587a8;
$custom-light: #75aac2;
$custom-dark: #000000;

JSON

{
  "hex": "#2587a8",
  "rgb": {
    "r": 37,
    "g": 135,
    "b": 168
  },
  "hsl": {
    "h": 195.115,
    "s": 63.902,
    "l": 40.196
  },
  "oklch": {
    "l": 0.58332,
    "c": 0.09971,
    "h": 225.6
  },
  "luminance": 0.20548
}

Semantic roles & 50–950 ramp

primary

#2587A8

secondary

#C47D65

accent

#6B41E7

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #2587A8

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

Preview Lab → · Contrast checker → · Palette generator →