#3591AA#3591AA

#3591AA is a mid, moderate cyan. Relative luminance 0.239; OKLCH L 61.3% C 0.093 H 219.3°. Best body text is #000000 at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#3591AA
RGB	rgb(53, 145, 170)
HSL	hsl(193, 52%, 44%)
HSV	hsv(193, 69%, 67%)
CMYK	cmyk(68.8%, 14.7%, 0%, 33.3%)
CIE-LAB	lab(56.00, -18.76, -21.05)
CIE-LCH	lch(56.00, 28.19, 228.28°)
OKLab	oklab(61.31% -0.0716 -0.0587)
OKLCH	oklch(61.31% 0.093 219.3)
XYZ	xyz(18.8463, 23.9079, 41.6439)
Luminance	0.2391 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3591AA #AA4E35

analogous

#35AA88 #3591AA #3556AA

triadic

#3591AA #AA3591 #91AA35

tetradic

#3591AA #8835AA #AA4E35 #56AA35

square

#3591AA #8835AA #AA4E35 #56AA35

split-complementary

#3591AA #AA3556 #AA8835

monochromatic

#18414D #26697B #3591AA #53B0C9 #82C5D8

Accessibility & contrast

On white

3.63

#3591AA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.78

#3591AA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3591AA

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3591AA	#FFFFFF	#000000	##000000
##3591AA	1.00	3.63	5.78	5.78
#FFFFFF	3.63	1.00	21.00	21.00
#000000	5.78	21.00	1.00	1.00
##000000	5.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#818DAB

Deuteranopia (green-blind)

#7181AA

Tritanopia (blue-blind)

#009999

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #3591aa;
/* rgb */ color: rgb(53, 145, 170);
/* oklch */ color: oklch(61.3% 0.093 219.3);

Tailwind

colors: {
  custom: {
    50: '#7bb1c3',
    500: '#3591aa',
    950: '#000000',
  },
}

SCSS

$custom: #3591aa;
$custom-light: #7bb1c3;
$custom-dark: #000000;

JSON

{
  "hex": "#3591aa",
  "rgb": {
    "r": 53,
    "g": 145,
    "b": 170
  },
  "hsl": {
    "h": 192.821,
    "s": 52.466,
    "l": 43.725
  },
  "oklch": {
    "l": 0.61311,
    "c": 0.09257,
    "h": 219.3
  },
  "luminance": 0.2391
}

Semantic roles & 50–950 ramp

primary

#3591AA

secondary

#C1897A

accent

#6B4CDC

background

#F8FAFC

surface

#EFF5F8

border

#CACFD1

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #3591AA

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

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