#3591AF#3591AF

#3591AF is a mid, moderate cyan. Relative luminance 0.241; OKLCH L 61.5% C 0.096 H 223.5°. Best body text is #000000 at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#3591AF
RGB	rgb(53, 145, 175)
HSL	hsl(195, 54%, 45%)
HSV	hsv(195, 70%, 69%)
CMYK	cmyk(69.7%, 17.1%, 0%, 31.4%)
CIE-LAB	lab(56.19, -17.13, -23.60)
CIE-LCH	lch(56.19, 29.16, 234.03°)
OKLab	oklab(61.53% -0.0696 -0.066)
OKLCH	oklch(61.53% 0.096 223.5)
XYZ	xyz(19.3283, 24.1007, 44.1824)
Luminance	0.2410 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3591AF #AF5335

analogous

#35AF90 #3591AF #3554AF

triadic

#3591AF #AF3591 #91AF35

tetradic

#3591AF #9035AF #AF5335 #54AF35

square

#3591AF #9035AF #AF5335 #54AF35

split-complementary

#3591AF #AF3554 #AF9035

monochromatic

#194351 #276A80 #3591AF #56AFCC #85C5DA

Accessibility & contrast

On white

3.61

#3591AF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.82

#3591AF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3591AF

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3591AF	#FFFFFF	#000000	##000000
##3591AF	1.00	3.61	5.82	5.82
#FFFFFF	3.61	1.00	21.00	21.00
#000000	5.82	21.00	1.00	1.00
##000000	5.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#808EB1

Deuteranopia (green-blind)

#6F81AF

Tritanopia (blue-blind)

#009A9B

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #3591af;
/* rgb */ color: rgb(53, 145, 175);
/* oklch */ color: oklch(61.5% 0.096 223.5);

Tailwind

colors: {
  custom: {
    50: '#7cb1c7',
    500: '#3591af',
    950: '#000000',
  },
}

SCSS

$custom: #3591af;
$custom-light: #7cb1c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3591af",
  "rgb": {
    "r": 53,
    "g": 145,
    "b": 175
  },
  "hsl": {
    "h": 194.754,
    "s": 53.509,
    "l": 44.706
  },
  "oklch": {
    "l": 0.6153,
    "c": 0.09591,
    "h": 223.5
  },
  "luminance": 0.24103
}

Semantic roles & 50–950 ramp

primary

#3591AF

secondary

#C48E7C

accent

#6F4BDD

background

#F8FAFC

surface

#EFF5F8

border

#CACFD1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3591AF

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

Preview Lab → · Contrast checker → · Palette generator →