#2587A5#2587A5

#2587A5 is a mid, moderate cyan. Relative luminance 0.204; OKLCH L 58.2% C 0.097 H 223.3°. Best body text is #000000 at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#2587A5
RGB	rgb(37, 135, 165)
HSL	hsl(194, 63%, 40%)
HSV	hsv(194, 78%, 65%)
CMYK	cmyk(77.6%, 18.2%, 0%, 35.3%)
CIE-LAB	lab(52.33, -17.20, -23.84)
CIE-LCH	lch(52.33, 29.40, 234.19°)
OKLab	oklab(58.19% -0.071 -0.0668)
OKLCH	oklch(58.19% 0.097 223.3)
XYZ	xyz(16.2156, 20.4359, 38.6799)
Luminance	0.2044 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2587A5 #A54325

analogous

#25A583 #2587A5 #2547A5

triadic

#2587A5 #A52587 #87A525

tetradic

#2587A5 #8325A5 #A54325 #47A525

square

#2587A5 #8325A5 #A54325 #47A525

split-complementary

#2587A5 #A52547 #A58325

monochromatic

#0F3541 #1A5E73 #2587A5 #35ADD2 #67C1DD

Accessibility & contrast

On white

4.13

#2587A5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.09

#2587A5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2587A5

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2587A5	#FFFFFF	#000000	##000000
##2587A5	1.00	4.13	5.09	5.09
#FFFFFF	4.13	1.00	21.00	21.00
#000000	5.09	21.00	1.00	1.00
##000000	5.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7684A7

Deuteranopia (green-blind)

#6577A5

Tritanopia (blue-blind)

#009091

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #2587a5;
/* rgb */ color: rgb(37, 135, 165);
/* oklch */ color: oklch(58.2% 0.097 223.3);

Tailwind

colors: {
  custom: {
    50: '#74aabf',
    500: '#2587a5',
    950: '#000000',
  },
}

SCSS

$custom: #2587a5;
$custom-light: #74aabf;
$custom-dark: #000000;

JSON

{
  "hex": "#2587a5",
  "rgb": {
    "r": 37,
    "g": 135,
    "b": 165
  },
  "hsl": {
    "h": 194.063,
    "s": 63.366,
    "l": 39.608
  },
  "oklch": {
    "l": 0.58193,
    "c": 0.09746,
    "h": 223.3
  },
  "luminance": 0.20438
}

Semantic roles & 50–950 ramp

primary

#2587A5

secondary

#C37963

accent

#6841E6

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#091012

muted

#7B7F81

Preview Lab

Preview with #2587A5

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

Preview Lab → · Contrast checker → · Palette generator →