#3591AC#3591AC

#3591AC is a mid, moderate cyan. Relative luminance 0.240; OKLCH L 61.4% C 0.094 H 221.0°. Best body text is #000000 at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#3591AC
RGB	rgb(53, 145, 172)
HSL	hsl(194, 53%, 44%)
HSV	hsv(194, 69%, 67%)
CMYK	cmyk(69.2%, 15.7%, 0%, 32.5%)
CIE-LAB	lab(56.07, -18.11, -22.07)
CIE-LCH	lch(56.07, 28.55, 230.63°)
OKLab	oklab(61.4% -0.0708 -0.0616)
OKLCH	oklch(61.4% 0.094 221)
XYZ	xyz(19.0369, 23.9841, 42.6478)
Luminance	0.2399 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3591AC #AC5035

analogous

#35AC8C #3591AC #3556AC

triadic

#3591AC #AC3591 #91AC35

tetradic

#3591AC #8C35AC #AC5035 #56AC35

square

#3591AC #8C35AC #AC5035 #56AC35

split-complementary

#3591AC #AC3556 #AC8C35

monochromatic

#18424E #276A7D #3591AC #54AFCA #83C5D9

Accessibility & contrast

On white

3.62

#3591AC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.80

#3591AC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3591AC

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3591AC	#FFFFFF	#000000	##000000
##3591AC	1.00	3.62	5.80	5.80
#FFFFFF	3.62	1.00	21.00	21.00
#000000	5.80	21.00	1.00	1.00
##000000	5.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#818DAD

Deuteranopia (green-blind)

#7081AC

Tritanopia (blue-blind)

#009A9A

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #3591ac;
/* rgb */ color: rgb(53, 145, 172);
/* oklch */ color: oklch(61.4% 0.094 221.0);

Tailwind

colors: {
  custom: {
    50: '#7bb1c4',
    500: '#3591ac',
    950: '#000000',
  },
}

SCSS

$custom: #3591ac;
$custom-light: #7bb1c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3591ac",
  "rgb": {
    "r": 53,
    "g": 145,
    "b": 172
  },
  "hsl": {
    "h": 193.613,
    "s": 52.889,
    "l": 44.118
  },
  "oklch": {
    "l": 0.61398,
    "c": 0.09385,
    "h": 221
  },
  "luminance": 0.23986
}

Semantic roles & 50–950 ramp

primary

#3591AC

secondary

#C28B7B

accent

#6C4CDC

background

#F8FAFC

surface

#EFF5F8

border

#CACFD1

text

#0B1012

muted

#7C7F81

Preview Lab

Preview with #3591AC

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

Preview Lab → · Contrast checker → · Palette generator →