#3587BF#3587BF

#3587BF is a mid, moderate cyan. Relative luminance 0.218; OKLCH L 59.9% C 0.116 H 242.3°. Best body text is #000000 at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#3587BF
RGB	rgb(53, 135, 191)
HSL	hsl(204, 57%, 48%)
HSV	hsv(204, 72%, 75%)
CMYK	cmyk(72.3%, 29.3%, 0%, 25.1%)
CIE-LAB	lab(53.86, -6.07, -36.35)
CIE-LCH	lch(53.86, 36.85, 260.52°)
OKLab	oklab(59.9% -0.0539 -0.1028)
OKLCH	oklch(59.9% 0.116 242.3)
XYZ	xyz(19.5325, 21.8442, 52.4671)
Luminance	0.2185 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3587BF #BF6D35

analogous

#35BFB2 #3587BF #3542BF

triadic

#3587BF #BF3587 #87BF35

tetradic

#3587BF #B235BF #BF6D35 #42BF35

square

#3587BF #B235BF #BF6D35 #42BF35

split-complementary

#3587BF #BF3542 #BFB235

monochromatic

#1A435F #28658F #3587BF #5FA4D3 #8FBFE0

Accessibility & contrast

On white

3.91

#3587BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.37

#3587BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3587BF

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3587BF	#FFFFFF	#000000	##000000
##3587BF	1.00	3.91	5.37	5.37
#FFFFFF	3.91	1.00	21.00	21.00
#000000	5.37	21.00	1.00	1.00
##000000	5.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D88C1

Deuteranopia (green-blind)

#5A7BBE

Tritanopia (blue-blind)

#00959B

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #3587bf;
/* rgb */ color: rgb(53, 135, 191);
/* oklch */ color: oklch(59.9% 0.116 242.3);

Tailwind

colors: {
  custom: {
    50: '#7ea9d2',
    500: '#3587bf',
    950: '#000000',
  },
}

SCSS

$custom: #3587bf;
$custom-light: #7ea9d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3587bf",
  "rgb": {
    "r": 53,
    "g": 135,
    "b": 191
  },
  "hsl": {
    "h": 204.348,
    "s": 56.557,
    "l": 47.843
  },
  "oklch": {
    "l": 0.59904,
    "c": 0.11603,
    "h": 242.3
  },
  "luminance": 0.21846
}

Semantic roles & 50–950 ramp

primary

#3587BF

secondary

#CAA185

accent

#8648E0

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3587BF

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

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