#3583B5#3583B5

#3583B5 is a mid, moderate cyan. Relative luminance 0.203; OKLCH L 58.4% C 0.108 H 240.5°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#3583B5
RGB	rgb(53, 131, 181)
HSL	hsl(203, 55%, 46%)
HSV	hsv(203, 71%, 71%)
CMYK	cmyk(70.7%, 27.6%, 0%, 29%)
CIE-LAB	lab(52.20, -7.26, -33.22)
CIE-LCH	lch(52.20, 34.01, 257.68°)
OKLab	oklab(58.44% -0.0531 -0.0937)
OKLCH	oklch(58.44% 0.108 240.5)
XYZ	xyz(17.9218, 20.3237, 46.6854)
Luminance	0.2033 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3583B5 #B56735

analogous

#35B5A7 #3583B5 #3543B5

triadic

#3583B5 #B53583 #83B535

tetradic

#3583B5 #A735B5 #B56735 #43B535

square

#3583B5 #A735B5 #B56735 #43B535

split-complementary

#3583B5 #B53543 #B5A735

monochromatic

#193E56 #276186 #3583B5 #59A0CE #88BBDC

Accessibility & contrast

On white

4.15

#3583B5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.07

#3583B5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3583B5

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3583B5	#FFFFFF	#000000	##000000
##3583B5	1.00	4.15	5.07	5.07
#FFFFFF	4.15	1.00	21.00	21.00
#000000	5.07	21.00	1.00	1.00
##000000	5.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C83B7

Deuteranopia (green-blind)

#5A77B4

Tritanopia (blue-blind)

#008F94

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #3583b5;
/* rgb */ color: rgb(53, 131, 181);
/* oklch */ color: oklch(58.4% 0.108 240.5);

Tailwind

colors: {
  custom: {
    50: '#7ca6cb',
    500: '#3583b5',
    950: '#000000',
  },
}

SCSS

$custom: #3583b5;
$custom-light: #7ca6cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3583b5",
  "rgb": {
    "r": 53,
    "g": 131,
    "b": 181
  },
  "hsl": {
    "h": 203.438,
    "s": 54.701,
    "l": 45.882
  },
  "oklch": {
    "l": 0.58437,
    "c": 0.10774,
    "h": 240.5
  },
  "luminance": 0.20326
}

Semantic roles & 50–950 ramp

primary

#3583B5

secondary

#C69B80

accent

#844ADE

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #3583B5

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

Preview Lab → · Contrast checker → · Palette generator →