#2587A3#2587A3

#2587A3 is a mid, moderate cyan. Relative luminance 0.204; OKLCH L 58.1% C 0.096 H 221.7°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#2587A3
RGB	rgb(37, 135, 163)
HSL	hsl(193, 63%, 39%)
HSV	hsv(193, 77%, 64%)
CMYK	cmyk(77.3%, 17.2%, 0%, 36.1%)
CIE-LAB	lab(52.25, -17.89, -22.81)
CIE-LCH	lch(52.25, 28.99, 231.90°)
OKLab	oklab(58.1% -0.0718 -0.0638)
OKLCH	oklch(58.1% 0.096 221.7)
XYZ	xyz(16.0350, 20.3637, 37.7287)
Luminance	0.2037 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2587A3 #A34125

analogous

#25A380 #2587A3 #2548A3

triadic

#2587A3 #A32587 #87A325

tetradic

#2587A3 #8025A3 #A34125 #48A325

square

#2587A3 #8025A3 #A34125 #48A325

split-complementary

#2587A3 #A32548 #A38025

monochromatic

#0E343F #1A5E71 #2587A3 #34AED1 #66C2DC

Accessibility & contrast

On white

4.14

#2587A3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.07

#2587A3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2587A3

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2587A3	#FFFFFF	#000000	##000000
##2587A3	1.00	4.14	5.07	5.07
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.07	21.00	1.00	1.00
##000000	5.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7684A4

Deuteranopia (green-blind)

#6677A3

Tritanopia (blue-blind)

#009090

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #2587a3;
/* rgb */ color: rgb(37, 135, 163);
/* oklch */ color: oklch(58.1% 0.096 221.7);

Tailwind

colors: {
  custom: {
    50: '#74aabe',
    500: '#2587a3',
    950: '#000000',
  },
}

SCSS

$custom: #2587a3;
$custom-light: #74aabe;
$custom-dark: #000000;

JSON

{
  "hex": "#2587a3",
  "rgb": {
    "r": 37,
    "g": 135,
    "b": 163
  },
  "hsl": {
    "h": 193.333,
    "s": 63,
    "l": 39.216
  },
  "oklch": {
    "l": 0.58101,
    "c": 0.09605,
    "h": 221.7
  },
  "luminance": 0.20366
}

Semantic roles & 50–950 ramp

primary

#2587A3

secondary

#C27762

accent

#6642E6

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#091012

muted

#7B7F81

Preview Lab

Preview with #2587A3

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

Preview Lab → · Contrast checker → · Palette generator →