#3583B7#3583B7

#3583B7 is a mid, moderate cyan. Relative luminance 0.204; OKLCH L 58.5% C 0.110 H 241.5°. Best body text is #000000 at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#3583B7
RGB	rgb(53, 131, 183)
HSL	hsl(204, 55%, 46%)
HSV	hsv(204, 71%, 72%)
CMYK	cmyk(71%, 28.4%, 0%, 28.2%)
CIE-LAB	lab(52.29, -6.56, -34.23)
CIE-LCH	lch(52.29, 34.85, 259.16°)
OKLab	oklab(58.54% -0.0525 -0.0966)
OKLCH	oklch(58.54% 0.11 241.5)
XYZ	xyz(18.1284, 20.4064, 47.7740)
Luminance	0.2041 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3583B7 #B76935

analogous

#35B7AA #3583B7 #3542B7

triadic

#3583B7 #B73583 #83B735

tetradic

#3583B7 #AA35B7 #B76935 #42B735

square

#3583B7 #AA35B7 #B76935 #42B735

split-complementary

#3583B7 #B73542 #B7AA35

monochromatic

#1A3F58 #276188 #3583B7 #5AA0CF #89BCDD

Accessibility & contrast

On white

4.13

#3583B7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.08

#3583B7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3583B7

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3583B7	#FFFFFF	#000000	##000000
##3583B7	1.00	4.13	5.08	5.08
#FFFFFF	4.13	1.00	21.00	21.00
#000000	5.08	21.00	1.00	1.00
##000000	5.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B84B9

Deuteranopia (green-blind)

#5977B6

Tritanopia (blue-blind)

#009095

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #3583b7;
/* rgb */ color: rgb(53, 131, 183);
/* oklch */ color: oklch(58.5% 0.110 241.5);

Tailwind

colors: {
  custom: {
    50: '#7ca6cd',
    500: '#3583b7',
    950: '#000000',
  },
}

SCSS

$custom: #3583b7;
$custom-light: #7ca6cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3583b7",
  "rgb": {
    "r": 53,
    "g": 131,
    "b": 183
  },
  "hsl": {
    "h": 204,
    "s": 55.085,
    "l": 46.275
  },
  "oklch": {
    "l": 0.5854,
    "c": 0.10997,
    "h": 241.5
  },
  "luminance": 0.20408
}

Semantic roles & 50–950 ramp

primary

#3583B7

secondary

#C79D81

accent

#8549DE

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #3583B7

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

Preview Lab → · Contrast checker → · Palette generator →