#3583AB#3583AB

#3583AB is a mid, moderate cyan. Relative luminance 0.199; OKLCH L 57.9% C 0.097 H 234.4°. Best body text is #000000 at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#3583AB
RGB	rgb(53, 131, 171)
HSL	hsl(200, 53%, 44%)
HSV	hsv(200, 69%, 67%)
CMYK	cmyk(69%, 23.4%, 0%, 32.9%)
CIE-LAB	lab(51.76, -10.71, -28.16)
CIE-LCH	lch(51.76, 30.13, 249.17°)
OKLab	oklab(57.94% -0.0565 -0.0791)
OKLCH	oklch(57.94% 0.097 234.4)
XYZ	xyz(16.9323, 19.9279, 41.4743)
Luminance	0.1993 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3583AB #AB5D35

analogous

#35AB98 #3583AB #3548AB

triadic

#3583AB #AB3583 #83AB35

tetradic

#3583AB #9835AB #AB5D35 #48AB35

square

#3583AB #9835AB #AB5D35 #48AB35

split-complementary

#3583AB #AB3548 #AB9835

monochromatic

#183B4E #275F7C #3583AB #53A2CA #82BBD8

Accessibility & contrast

On white

4.21

#3583AB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.99

#3583AB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3583AB

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3583AB	#FFFFFF	#000000	##000000
##3583AB	1.00	4.21	4.99	4.99
#FFFFFF	4.21	1.00	21.00	21.00
#000000	4.99	21.00	1.00	1.00
##000000	4.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7082AD

Deuteranopia (green-blind)

#5F76AA

Tritanopia (blue-blind)

#008E90

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #3583ab;
/* rgb */ color: rgb(53, 131, 171);
/* oklch */ color: oklch(57.9% 0.097 234.4);

Tailwind

colors: {
  custom: {
    50: '#7aa7c4',
    500: '#3583ab',
    950: '#000000',
  },
}

SCSS

$custom: #3583ab;
$custom-light: #7aa7c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3583ab",
  "rgb": {
    "r": 53,
    "g": 131,
    "b": 171
  },
  "hsl": {
    "h": 200.339,
    "s": 52.679,
    "l": 43.922
  },
  "oklch": {
    "l": 0.57936,
    "c": 0.09724,
    "h": 234.4
  },
  "luminance": 0.1993
}

Semantic roles & 50–950 ramp

primary

#3583AB

secondary

#C2927A

accent

#7D4CDC

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #3583AB

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

Preview Lab → · Contrast checker → · Palette generator →