#3587B4#3587B4

#3587B4 is a mid, moderate cyan. Relative luminance 0.214; OKLCH L 59.3% C 0.104 H 236.5°. Best body text is #000000 at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#3587B4
RGB	rgb(53, 135, 180)
HSL	hsl(201, 55%, 46%)
HSV	hsv(201, 71%, 71%)
CMYK	cmyk(70.6%, 25%, 0%, 29.4%)
CIE-LAB	lab(53.36, -9.90, -30.84)
CIE-LCH	lch(53.36, 32.39, 252.21°)
OKLab	oklab(59.34% -0.0575 -0.0868)
OKLCH	oklch(59.34% 0.104 236.5)
XYZ	xyz(18.3672, 21.3781, 46.3296)
Luminance	0.2138 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3587B4 #B46235

analogous

#35B4A1 #3587B4 #3547B4

triadic

#3587B4 #B43587 #87B435

tetradic

#3587B4 #A135B4 #B46235 #47B435

square

#3587B4 #A135B4 #B46235 #47B435

split-complementary

#3587B4 #B43547 #B4A135

monochromatic

#194055 #276485 #3587B4 #58A4CE #88BEDC

Accessibility & contrast

On white

3.98

#3587B4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.28

#3587B4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3587B4

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3587B4	#FFFFFF	#000000	##000000
##3587B4	1.00	3.98	5.28	5.28
#FFFFFF	3.98	1.00	21.00	21.00
#000000	5.28	21.00	1.00	1.00
##000000	5.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7286B6

Deuteranopia (green-blind)

#607AB3

Tritanopia (blue-blind)

#009396

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3587b4;
/* rgb */ color: rgb(53, 135, 180);
/* oklch */ color: oklch(59.3% 0.104 236.5);

Tailwind

colors: {
  custom: {
    50: '#7ca9ca',
    500: '#3587b4',
    950: '#000000',
  },
}

SCSS

$custom: #3587b4;
$custom-light: #7ca9ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3587b4",
  "rgb": {
    "r": 53,
    "g": 135,
    "b": 180
  },
  "hsl": {
    "h": 201.26,
    "s": 54.506,
    "l": 45.686
  },
  "oklch": {
    "l": 0.59342,
    "c": 0.10412,
    "h": 236.5
  },
  "luminance": 0.2138
}

Semantic roles & 50–950 ramp

primary

#3587B4

secondary

#C6987F

accent

#7E4ADE

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3587B4

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

Preview Lab → · Contrast checker → · Palette generator →