#3583B1#3583B1

#3583B1 is a mid, moderate cyan. Relative luminance 0.202; OKLCH L 58.2% C 0.103 H 238.2°. Best body text is #000000 at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#3583B1
RGB	rgb(53, 131, 177)
HSL	hsl(202, 54%, 45%)
HSV	hsv(202, 70%, 69%)
CMYK	cmyk(70.1%, 26%, 0%, 30.6%)
CIE-LAB	lab(52.02, -8.65, -31.21)
CIE-LCH	lch(52.02, 32.38, 254.51°)
OKLab	oklab(58.23% -0.0545 -0.0879)
OKLCH	oklch(58.23% 0.103 238.2)
XYZ	xyz(17.5172, 20.1619, 44.5549)
Luminance	0.2016 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3583B1 #B16335

analogous

#35B1A1 #3583B1 #3545B1

triadic

#3583B1 #B13583 #83B135

tetradic

#3583B1 #A135B1 #B16335 #45B135

square

#3583B1 #A135B1 #B16335 #45B135

split-complementary

#3583B1 #B13545 #B1A135

monochromatic

#193D53 #276082 #3583B1 #57A1CD #86BBDB

Accessibility & contrast

On white

4.17

#3583B1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.03

#3583B1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3583B1

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3583B1	#FFFFFF	#000000	##000000
##3583B1	1.00	4.17	5.03	5.03
#FFFFFF	4.17	1.00	21.00	21.00
#000000	5.03	21.00	1.00	1.00
##000000	5.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D83B3

Deuteranopia (green-blind)

#5C77B0

Tritanopia (blue-blind)

#008F93

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #3583b1;
/* rgb */ color: rgb(53, 131, 177);
/* oklch */ color: oklch(58.2% 0.103 238.2);

Tailwind

colors: {
  custom: {
    50: '#7ba7c8',
    500: '#3583b1',
    950: '#000000',
  },
}

SCSS

$custom: #3583b1;
$custom-light: #7ba7c8;
$custom-dark: #000000;

JSON

{
  "hex": "#3583b1",
  "rgb": {
    "r": 53,
    "g": 131,
    "b": 177
  },
  "hsl": {
    "h": 202.258,
    "s": 53.913,
    "l": 45.098
  },
  "oklch": {
    "l": 0.58233,
    "c": 0.1034,
    "h": 238.2
  },
  "luminance": 0.20164
}

Semantic roles & 50–950 ramp

primary

#3583B1

secondary

#C4987D

accent

#814BDD

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #3583B1

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

Preview Lab → · Contrast checker → · Palette generator →