#3591AD#3591AD

#3591AD is a mid, moderate cyan. Relative luminance 0.240; OKLCH L 61.4% C 0.095 H 221.9°. Best body text is #000000 at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#3591AD
RGB	rgb(53, 145, 173)
HSL	hsl(194, 53%, 44%)
HSV	hsv(194, 69%, 68%)
CMYK	cmyk(69.4%, 16.2%, 0%, 32.2%)
CIE-LAB	lab(56.11, -17.79, -22.58)
CIE-LCH	lch(56.11, 28.75, 231.78°)
OKLab	oklab(61.44% -0.0704 -0.0631)
OKLCH	oklch(61.44% 0.095 221.9)
XYZ	xyz(19.1333, 24.0227, 43.1555)
Luminance	0.2402 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3591AD #AD5135

analogous

#35AD8D #3591AD #3555AD

triadic

#3591AD #AD3591 #91AD35

tetradic

#3591AD #8D35AD #AD5135 #55AD35

square

#3591AD #8D35AD #AD5135 #55AD35

split-complementary

#3591AD #AD3555 #AD8D35

monochromatic

#18424F #276A7E #3591AD #54AFCB #83C5D9

Accessibility & contrast

On white

3.62

#3591AD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.81

#3591AD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3591AD

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3591AD	#FFFFFF	#000000	##000000
##3591AD	1.00	3.62	5.81	5.81
#FFFFFF	3.62	1.00	21.00	21.00
#000000	5.81	21.00	1.00	1.00
##000000	5.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#818DAE

Deuteranopia (green-blind)

#7081AD

Tritanopia (blue-blind)

#009A9A

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #3591ad;
/* rgb */ color: rgb(53, 145, 173);
/* oklch */ color: oklch(61.4% 0.095 221.9);

Tailwind

colors: {
  custom: {
    50: '#7cb1c5',
    500: '#3591ad',
    950: '#000000',
  },
}

SCSS

$custom: #3591ad;
$custom-light: #7cb1c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3591ad",
  "rgb": {
    "r": 53,
    "g": 145,
    "b": 173
  },
  "hsl": {
    "h": 194,
    "s": 53.097,
    "l": 44.314
  },
  "oklch": {
    "l": 0.61441,
    "c": 0.09451,
    "h": 221.9
  },
  "luminance": 0.24025
}

Semantic roles & 50–950 ramp

primary

#3591AD

secondary

#C38C7B

accent

#6D4BDD

background

#F8FAFC

surface

#EFF5F8

border

#CACFD1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3591AD

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

Preview Lab → · Contrast checker → · Palette generator →