#3587B1#3587B1

#3587B1 is a mid, moderate cyan. Relative luminance 0.213; OKLCH L 59.2% C 0.101 H 234.6°. Best body text is #000000 at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#3587B1
RGB	rgb(53, 135, 177)
HSL	hsl(200, 54%, 45%)
HSV	hsv(200, 70%, 69%)
CMYK	cmyk(70.1%, 23.7%, 0%, 30.6%)
CIE-LAB	lab(53.23, -10.93, -29.32)
CIE-LCH	lch(53.23, 31.29, 249.56°)
OKLab	oklab(59.2% -0.0586 -0.0824)
OKLCH	oklch(59.2% 0.101 234.6)
XYZ	xyz(18.0649, 21.2572, 44.7374)
Luminance	0.2126 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3587B1 #B15F35

analogous

#35B19D #3587B1 #3549B1

triadic

#3587B1 #B13587 #87B135

tetradic

#3587B1 #9D35B1 #B15F35 #49B135

square

#3587B1 #9D35B1 #B15F35 #49B135

split-complementary

#3587B1 #B13549 #B19D35

monochromatic

#193F53 #276382 #3587B1 #57A5CD #86BEDB

Accessibility & contrast

On white

4.00

#3587B1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.25

#3587B1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3587B1

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3587B1	#FFFFFF	#000000	##000000
##3587B1	1.00	4.00	5.25	5.25
#FFFFFF	4.00	1.00	21.00	21.00
#000000	5.25	21.00	1.00	1.00
##000000	5.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7386B3

Deuteranopia (green-blind)

#627AB0

Tritanopia (blue-blind)

#009295

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3587b1;
/* rgb */ color: rgb(53, 135, 177);
/* oklch */ color: oklch(59.2% 0.101 234.6);

Tailwind

colors: {
  custom: {
    50: '#7ba9c8',
    500: '#3587b1',
    950: '#000000',
  },
}

SCSS

$custom: #3587b1;
$custom-light: #7ba9c8;
$custom-dark: #000000;

JSON

{
  "hex": "#3587b1",
  "rgb": {
    "r": 53,
    "g": 135,
    "b": 177
  },
  "hsl": {
    "h": 200.323,
    "s": 53.913,
    "l": 45.098
  },
  "oklch": {
    "l": 0.59195,
    "c": 0.10111,
    "h": 234.6
  },
  "luminance": 0.21259
}

Semantic roles & 50–950 ramp

primary

#3587B1

secondary

#C4957D

accent

#7C4BDD

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3587B1

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

Preview Lab → · Contrast checker → · Palette generator →