#3587B0#3587B0

#3587B0 is a mid, moderate cyan. Relative luminance 0.212; OKLCH L 59.1% C 0.100 H 234.0°. Best body text is #000000 at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#3587B0
RGB	rgb(53, 135, 176)
HSL	hsl(200, 54%, 45%)
HSV	hsv(200, 70%, 69%)
CMYK	cmyk(69.9%, 23.3%, 0%, 31%)
CIE-LAB	lab(53.19, -11.27, -28.82)
CIE-LCH	lch(53.19, 30.94, 248.64°)
OKLab	oklab(59.15% -0.0589 -0.081)
OKLCH	oklch(59.15% 0.1 234)
XYZ	xyz(17.9656, 21.2174, 44.2144)
Luminance	0.2122 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3587B0 #B05E35

analogous

#35B09C #3587B0 #3549B0

triadic

#3587B0 #B03587 #87B035

tetradic

#3587B0 #9C35B0 #B05E35 #49B035

square

#3587B0 #9C35B0 #B05E35 #49B035

split-complementary

#3587B0 #B03549 #B09C35

monochromatic

#193F52 #276381 #3587B0 #56A5CC #85BEDA

Accessibility & contrast

On white

4.00

#3587B0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.24

#3587B0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3587B0

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3587B0	#FFFFFF	#000000	##000000
##3587B0	1.00	4.00	5.24	5.24
#FFFFFF	4.00	1.00	21.00	21.00
#000000	5.24	21.00	1.00	1.00
##000000	5.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7386B2

Deuteranopia (green-blind)

#627AAF

Tritanopia (blue-blind)

#009295

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3587b0;
/* rgb */ color: rgb(53, 135, 176);
/* oklch */ color: oklch(59.1% 0.100 234.0);

Tailwind

colors: {
  custom: {
    50: '#7baac7',
    500: '#3587b0',
    950: '#000000',
  },
}

SCSS

$custom: #3587b0;
$custom-light: #7baac7;
$custom-dark: #000000;

JSON

{
  "hex": "#3587b0",
  "rgb": {
    "r": 53,
    "g": 135,
    "b": 176
  },
  "hsl": {
    "h": 200,
    "s": 53.712,
    "l": 44.902
  },
  "oklch": {
    "l": 0.59146,
    "c": 0.10012,
    "h": 234
  },
  "luminance": 0.21219
}

Semantic roles & 50–950 ramp

primary

#3587B0

secondary

#C4957D

accent

#7C4BDD

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3587B0

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

Preview Lab → · Contrast checker → · Palette generator →