#3581C3#3581C3

#3581C3 is a mid, vivid cyan. Relative luminance 0.204; OKLCH L 58.7% C 0.126 H 248.1°. Best body text is #000000 at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#3581C3
RGB	rgb(53, 129, 195)
HSL	hsl(208, 57%, 49%)
HSV	hsv(208, 73%, 76%)
CMYK	cmyk(72.8%, 33.8%, 0%, 23.5%)
CIE-LAB	lab(52.28, -1.12, -41.12)
CIE-LCH	lch(52.28, 41.13, 268.44°)
OKLab	oklab(58.72% -0.0469 -0.1167)
OKLCH	oklch(58.72% 0.126 248.1)
XYZ	xyz(19.1650, 20.3954, 54.5458)
Luminance	0.2040 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3581C3 #C37735

analogous

#35C3BE #3581C3 #353AC3

triadic

#3581C3 #C33581 #81C335

tetradic

#3581C3 #BE35C3 #C37735 #3AC335

square

#3581C3 #BE35C3 #C37735 #3AC335

split-complementary

#3581C3 #C3353A #C3BE35

monochromatic

#1B4163 #286193 #3581C3 #619FD4 #91BCE1

Accessibility & contrast

On white

4.13

#3581C3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.08

#3581C3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3581C3

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3581C3	#FFFFFF	#000000	##000000
##3581C3	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)

#6384C6

Deuteranopia (green-blind)

#4F77C2

Tritanopia (blue-blind)

#009199

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #3581c3;
/* rgb */ color: rgb(53, 129, 195);
/* oklch */ color: oklch(58.7% 0.126 248.1);

Tailwind

colors: {
  custom: {
    50: '#7ea5d5',
    500: '#3581c3',
    950: '#000000',
  },
}

SCSS

$custom: #3581c3;
$custom-light: #7ea5d5;
$custom-dark: #000000;

JSON

{
  "hex": "#3581c3",
  "rgb": {
    "r": 53,
    "g": 129,
    "b": 195
  },
  "hsl": {
    "h": 207.887,
    "s": 57.258,
    "l": 48.627
  },
  "oklch": {
    "l": 0.58721,
    "c": 0.1258,
    "h": 248.1
  },
  "luminance": 0.20398
}

Semantic roles & 50–950 ramp

primary

#3581C3

secondary

#CCA788

accent

#8F47E1

background

#F8FAFD

surface

#EFF4FA

border

#CACED3

text

#0B0F14

muted

#7C7F83

Preview Lab

Preview with #3581C3

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

Preview Lab → · Contrast checker → · Palette generator →