#3591BE#3591BE

#3591BE is a light, moderate cyan. Relative luminance 0.247; OKLCH L 62.2% C 0.109 H 233.8°. Best body text is #000000 at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#3591BE
RGB	rgb(53, 145, 190)
HSL	hsl(200, 56%, 48%)
HSV	hsv(200, 72%, 75%)
CMYK	cmyk(72.1%, 23.7%, 0%, 25.5%)
CIE-LAB	lab(56.80, -12.10, -31.18)
CIE-LCH	lch(56.80, 33.45, 248.79°)
OKLab	oklab(62.22% -0.0641 -0.0877)
OKLCH	oklch(62.22% 0.109 233.8)
XYZ	xyz(20.8842, 24.7230, 52.3766)
Luminance	0.2472 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3591BE #BE6235

analogous

#35BEA7 #3591BE #354CBE

triadic

#3591BE #BE3591 #91BE35

tetradic

#3591BE #A735BE #BE6235 #4CBE35

square

#3591BE #A735BE #BE6235 #4CBE35

split-complementary

#3591BE #BE354C #BEA735

monochromatic

#1A485E #286C8E #3591BE #5EACD2 #8EC5DF

Accessibility & contrast

On white

3.53

#3591BE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.95

#3591BE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3591BE

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3591BE	#FFFFFF	#000000	##000000
##3591BE	1.00	3.53	5.95	5.95
#FFFFFF	3.53	1.00	21.00	21.00
#000000	5.95	21.00	1.00	1.00
##000000	5.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B90C0

Deuteranopia (green-blind)

#6882BD

Tritanopia (blue-blind)

#009DA0

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #3591be;
/* rgb */ color: rgb(53, 145, 190);
/* oklch */ color: oklch(62.2% 0.109 233.8);

Tailwind

colors: {
  custom: {
    50: '#7eb1d1',
    500: '#3591be',
    950: '#000000',
  },
}

SCSS

$custom: #3591be;
$custom-light: #7eb1d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3591be",
  "rgb": {
    "r": 53,
    "g": 145,
    "b": 190
  },
  "hsl": {
    "h": 199.708,
    "s": 56.379,
    "l": 47.647
  },
  "oklch": {
    "l": 0.62225,
    "c": 0.10862,
    "h": 233.8
  },
  "luminance": 0.24725
}

Semantic roles & 50–950 ramp

primary

#3591BE

secondary

#CA9C85

accent

#7A48E0

background

#F8FAFC

surface

#EFF5F9

border

#CACFD2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #3591BE

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

Preview Lab → · Contrast checker → · Palette generator →