#3587BC#3587BC

#3587BC is a mid, moderate cyan. Relative luminance 0.217; OKLCH L 59.7% C 0.113 H 240.9°. Best body text is #000000 at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#3587BC
RGB	rgb(53, 135, 188)
HSL	hsl(204, 56%, 47%)
HSV	hsv(204, 72%, 74%)
CMYK	cmyk(71.8%, 28.2%, 0%, 26.3%)
CIE-LAB	lab(53.72, -7.12, -34.85)
CIE-LCH	lch(53.72, 35.57, 258.46°)
OKLab	oklab(59.75% -0.0548 -0.0984)
OKLCH	oklch(59.75% 0.113 240.9)
XYZ	xyz(19.2058, 21.7135, 50.7461)
Luminance	0.2172 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3587BC #BC6A35

analogous

#35BCAE #3587BC #3543BC

triadic

#3587BC #BC3587 #87BC35

tetradic

#3587BC #AE35BC #BC6A35 #43BC35

square

#3587BC #AE35BC #BC6A35 #43BC35

split-complementary

#3587BC #BC3543 #BCAE35

monochromatic

#1A425D #28658C #3587BC #5DA4D1 #8DBFDF

Accessibility & contrast

On white

3.93

#3587BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.34

#3587BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3587BC

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3587BC	#FFFFFF	#000000	##000000
##3587BC	1.00	3.93	5.34	5.34
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.34	21.00	1.00	1.00
##000000	5.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E88BE

Deuteranopia (green-blind)

#5C7BBB

Tritanopia (blue-blind)

#009499

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3587bc;
/* rgb */ color: rgb(53, 135, 188);
/* oklch */ color: oklch(59.7% 0.113 240.9);

Tailwind

colors: {
  custom: {
    50: '#7da9d0',
    500: '#3587bc',
    950: '#000000',
  },
}

SCSS

$custom: #3587bc;
$custom-light: #7da9d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3587bc",
  "rgb": {
    "r": 53,
    "g": 135,
    "b": 188
  },
  "hsl": {
    "h": 203.556,
    "s": 56.017,
    "l": 47.255
  },
  "oklch": {
    "l": 0.59747,
    "c": 0.11266,
    "h": 240.9
  },
  "luminance": 0.21716
}

Semantic roles & 50–950 ramp

primary

#3587BC

secondary

#C99F84

accent

#8448DF

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3587BC

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

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