#2587AA#2587AA

#2587AA is a mid, moderate cyan. Relative luminance 0.206; OKLCH L 58.4% C 0.101 H 227.0°. Best body text is #000000 at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#2587AA
RGB	rgb(37, 135, 170)
HSL	hsl(196, 64%, 41%)
HSV	hsv(196, 78%, 67%)
CMYK	cmyk(78.2%, 20.6%, 0%, 33.3%)
CIE-LAB	lab(52.53, -15.47, -26.41)
CIE-LCH	lch(52.53, 30.61, 239.64°)
OKLab	oklab(58.43% -0.069 -0.0742)
OKLCH	oklch(58.43% 0.101 227)
XYZ	xyz(16.6796, 20.6215, 41.1237)
Luminance	0.2062 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2587AA #AA4825

analogous

#25AA8A #2587AA #2545AA

triadic

#2587AA #AA2587 #87AA25

tetradic

#2587AA #8A25AA #AA4825 #45AA25

square

#2587AA #8A25AA #AA4825 #45AA25

split-complementary

#2587AA #AA2545 #AA8A25

monochromatic

#0F3745 #1A5F78 #2587AA #38ABD4 #6BC0DF

Accessibility & contrast

On white

4.10

#2587AA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.12

#2587AA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2587AA

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2587AA	#FFFFFF	#000000	##000000
##2587AA	1.00	4.10	5.12	5.12
#FFFFFF	4.10	1.00	21.00	21.00
#000000	5.12	21.00	1.00	1.00
##000000	5.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7484AC

Deuteranopia (green-blind)

#6378AA

Tritanopia (blue-blind)

#009193

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #2587aa;
/* rgb */ color: rgb(37, 135, 170);
/* oklch */ color: oklch(58.4% 0.101 227.0);

Tailwind

colors: {
  custom: {
    50: '#75aac3',
    500: '#2587aa',
    950: '#000000',
  },
}

SCSS

$custom: #2587aa;
$custom-light: #75aac3;
$custom-dark: #000000;

JSON

{
  "hex": "#2587aa",
  "rgb": {
    "r": 37,
    "g": 135,
    "b": 170
  },
  "hsl": {
    "h": 195.789,
    "s": 64.251,
    "l": 40.588
  },
  "oklch": {
    "l": 0.58426,
    "c": 0.10132,
    "h": 227
  },
  "luminance": 0.20624
}

Semantic roles & 50–950 ramp

primary

#2587AA

secondary

#C57F66

accent

#6C41E7

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #2587AA

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

Preview Lab → · Contrast checker → · Palette generator →