#3587B8#3587B8

#3587B8 is a mid, moderate cyan. Relative luminance 0.215; OKLCH L 59.5% C 0.108 H 238.8°. Best body text is #000000 at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#3587B8
RGB	rgb(53, 135, 184)
HSL	hsl(202, 55%, 46%)
HSV	hsv(202, 71%, 72%)
CMYK	cmyk(71.2%, 26.6%, 0%, 27.8%)
CIE-LAB	lab(53.54, -8.51, -32.85)
CIE-LCH	lch(53.54, 33.94, 255.47°)
OKLab	oklab(59.54% -0.0561 -0.0926)
OKLCH	oklch(59.54% 0.108 238.8)
XYZ	xyz(18.7805, 21.5434, 48.5066)
Luminance	0.2155 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3587B8 #B86635

analogous

#35B8A8 #3587B8 #3546B8

triadic

#3587B8 #B83587 #87B835

tetradic

#3587B8 #A835B8 #B86635 #46B835

square

#3587B8 #A835B8 #B86635 #46B835

split-complementary

#3587B8 #B83546 #B8A835

monochromatic

#1A4159 #276488 #3587B8 #5BA4D0 #8ABEDD

Accessibility & contrast

On white

3.96

#3587B8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.31

#3587B8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3587B8

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3587B8	#FFFFFF	#000000	##000000
##3587B8	1.00	3.96	5.31	5.31
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.31	21.00	1.00	1.00
##000000	5.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7087BA

Deuteranopia (green-blind)

#5E7AB7

Tritanopia (blue-blind)

#009398

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3587b8;
/* rgb */ color: rgb(53, 135, 184);
/* oklch */ color: oklch(59.5% 0.108 238.8);

Tailwind

colors: {
  custom: {
    50: '#7ca9cd',
    500: '#3587b8',
    950: '#000000',
  },
}

SCSS

$custom: #3587b8;
$custom-light: #7ca9cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3587b8",
  "rgb": {
    "r": 53,
    "g": 135,
    "b": 184
  },
  "hsl": {
    "h": 202.443,
    "s": 55.274,
    "l": 46.471
  },
  "oklch": {
    "l": 0.59542,
    "c": 0.10832,
    "h": 238.8
  },
  "luminance": 0.21546
}

Semantic roles & 50–950 ramp

primary

#3587B8

secondary

#C79C81

accent

#8149DF

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3587B8

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

Preview Lab → · Contrast checker → · Palette generator →