#3591BF#3591BF

#3591BF is a light, moderate cyan. Relative luminance 0.248; OKLCH L 62.3% C 0.110 H 234.4°. Best body text is #000000 at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#3591BF
RGB	rgb(53, 145, 191)
HSL	hsl(200, 57%, 48%)
HSV	hsv(200, 72%, 75%)
CMYK	cmyk(72.3%, 24.1%, 0%, 25.1%)
CIE-LAB	lab(56.85, -11.76, -31.68)
CIE-LCH	lch(56.85, 33.79, 249.64°)
OKLab	oklab(62.27% -0.0637 -0.0891)
OKLCH	oklch(62.27% 0.11 234.4)
XYZ	xyz(20.9938, 24.7669, 52.9542)
Luminance	0.2477 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3591BF #BF6335

analogous

#35BFA8 #3591BF #354CBF

triadic

#3591BF #BF3591 #91BF35

tetradic

#3591BF #A835BF #BF6335 #4CBF35

square

#3591BF #A835BF #BF6335 #4CBF35

split-complementary

#3591BF #BF354C #BFA835

monochromatic

#1A485F #286D8F #3591BF #5FACD3 #8FC5E0

Accessibility & contrast

On white

3.53

#3591BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.95

#3591BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3591BF

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3591BF	#FFFFFF	#000000	##000000
##3591BF	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)

#7B90C1

Deuteranopia (green-blind)

#6882BE

Tritanopia (blue-blind)

#009DA1

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #3591bf;
/* rgb */ color: rgb(53, 145, 191);
/* oklch */ color: oklch(62.3% 0.110 234.4);

Tailwind

colors: {
  custom: {
    50: '#7eb1d2',
    500: '#3591bf',
    950: '#000000',
  },
}

SCSS

$custom: #3591bf;
$custom-light: #7eb1d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3591bf",
  "rgb": {
    "r": 53,
    "g": 145,
    "b": 191
  },
  "hsl": {
    "h": 200,
    "s": 56.557,
    "l": 47.843
  },
  "oklch": {
    "l": 0.62274,
    "c": 0.10959,
    "h": 234.4
  },
  "luminance": 0.24769
}

Semantic roles & 50–950 ramp

primary

#3591BF

secondary

#CA9C85

accent

#7B48E0

background

#F8FAFC

surface

#EFF5F9

border

#CACFD2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #3591BF

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

Preview Lab → · Contrast checker → · Palette generator →