#3583B8#3583B8

#3583B8 is a mid, moderate cyan. Relative luminance 0.204; OKLCH L 58.6% C 0.111 H 242.0°. Best body text is #000000 at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#3583B8
RGB	rgb(53, 131, 184)
HSL	hsl(204, 55%, 46%)
HSV	hsv(204, 71%, 72%)
CMYK	cmyk(71.2%, 28.8%, 0%, 27.8%)
CIE-LAB	lab(52.34, -6.21, -34.73)
CIE-LCH	lch(52.34, 35.28, 259.87°)
OKLab	oklab(58.59% -0.0521 -0.0981)
OKLCH	oklch(58.59% 0.111 242)
XYZ	xyz(18.2329, 20.4482, 48.3241)
Luminance	0.2045 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3583B8 #B86A35

analogous

#35B8AC #3583B8 #3542B8

triadic

#3583B8 #B83583 #83B835

tetradic

#3583B8 #AC35B8 #B86A35 #42B835

square

#3583B8 #AC35B8 #B86A35 #42B835

split-complementary

#3583B8 #B83542 #B8AC35

monochromatic

#1A3F59 #276188 #3583B8 #5BA0D0 #8ABCDD

Accessibility & contrast

On white

4.13

#3583B8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.09

#3583B8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3583B8

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3583B8	#FFFFFF	#000000	##000000
##3583B8	1.00	4.13	5.09	5.09
#FFFFFF	4.13	1.00	21.00	21.00
#000000	5.09	21.00	1.00	1.00
##000000	5.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B84BA

Deuteranopia (green-blind)

#5977B7

Tritanopia (blue-blind)

#009095

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #3583b8;
/* rgb */ color: rgb(53, 131, 184);
/* oklch */ color: oklch(58.6% 0.111 242.0);

Tailwind

colors: {
  custom: {
    50: '#7ca6cd',
    500: '#3583b8',
    950: '#000000',
  },
}

SCSS

$custom: #3583b8;
$custom-light: #7ca6cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3583b8",
  "rgb": {
    "r": 53,
    "g": 131,
    "b": 184
  },
  "hsl": {
    "h": 204.275,
    "s": 55.274,
    "l": 46.471
  },
  "oklch": {
    "l": 0.58592,
    "c": 0.1111,
    "h": 242
  },
  "luminance": 0.2045
}

Semantic roles & 50–950 ramp

primary

#3583B8

secondary

#C79E81

accent

#8649DF

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #3583B8

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

Preview Lab → · Contrast checker → · Palette generator →