#3591A8#3591A8

#3591A8 is a mid, moderate cyan. Relative luminance 0.238; OKLCH L 61.2% C 0.091 H 217.6°. Best body text is #000000 at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#3591A8
RGB	rgb(53, 145, 168)
HSL	hsl(192, 52%, 43%)
HSV	hsv(192, 68%, 66%)
CMYK	cmyk(68.5%, 13.7%, 0%, 34.1%)
CIE-LAB	lab(55.92, -19.41, -20.02)
CIE-LCH	lch(55.92, 27.88, 225.89°)
OKLab	oklab(61.22% -0.0724 -0.0558)
OKLCH	oklch(61.22% 0.091 217.6)
XYZ	xyz(18.6586, 23.8328, 40.6550)
Luminance	0.2384 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3591A8 #A84C35

analogous

#35A885 #3591A8 #3557A8

triadic

#3591A8 #A83591 #91A835

tetradic

#3591A8 #8535A8 #A84C35 #57A835

square

#3591A8 #8535A8 #A84C35 #57A835

split-complementary

#3591A8 #A83557 #A88535

monochromatic

#18414B #266979 #3591A8 #52B1C8 #80C6D7

Accessibility & contrast

On white

3.64

#3591A8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.77

#3591A8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3591A8

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3591A8	#FFFFFF	#000000	##000000
##3591A8	1.00	3.64	5.77	5.77
#FFFFFF	3.64	1.00	21.00	21.00
#000000	5.77	21.00	1.00	1.00
##000000	5.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#828DA9

Deuteranopia (green-blind)

#7281A8

Tritanopia (blue-blind)

#009998

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #3591a8;
/* rgb */ color: rgb(53, 145, 168);
/* oklch */ color: oklch(61.2% 0.091 217.6);

Tailwind

colors: {
  custom: {
    50: '#7bb1c2',
    500: '#3591a8',
    950: '#000000',
  },
}

SCSS

$custom: #3591a8;
$custom-light: #7bb1c2;
$custom-dark: #000000;

JSON

{
  "hex": "#3591a8",
  "rgb": {
    "r": 53,
    "g": 145,
    "b": 168
  },
  "hsl": {
    "h": 192,
    "s": 52.036,
    "l": 43.333
  },
  "oklch": {
    "l": 0.61225,
    "c": 0.09139,
    "h": 217.6
  },
  "luminance": 0.23835
}

Semantic roles & 50–950 ramp

primary

#3591A8

secondary

#C08778

accent

#694CDB

background

#F8FAFB

surface

#EFF5F7

border

#CACFD0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #3591A8

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

Preview Lab → · Contrast checker → · Palette generator →