#3581DA#3581DA

#3581DA is a mid, vivid cyan. Relative luminance 0.215; OKLCH L 60.1% C 0.155 H 254.6°. Best body text is #000000 at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#3581DA
RGB	rgb(53, 129, 218)
HSL	hsl(212, 69%, 53%)
HSV	hsv(212, 76%, 85%)
CMYK	cmyk(75.7%, 40.8%, 0%, 14.5%)
CIE-LAB	lab(53.51, 7.23, -52.20)
CIE-LCH	lch(53.51, 52.70, 277.89°)
OKLab	oklab(60.08% -0.0412 -0.1492)
OKLCH	oklch(60.08% 0.155 254.6)
XYZ	xyz(21.9686, 21.5168, 69.3114)
Luminance	0.2152 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3581DA #DA8E35

analogous

#35D3DA #3581DA #3B35DA

triadic

#3581DA #DA3581 #81DA35

tetradic

#3581DA #DA35D3 #DA8E35 #35DA3B

square

#3581DA #DA35D3 #DA8E35 #35DA3B

split-complementary

#3581DA #DA3B35 #D3DA35

monochromatic

#17467E #2063B1 #3581DA #69A1E3 #9CC2ED

Accessibility & contrast

On white

3.96

#3581DA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.30

#3581DA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3581DA

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3581DA	#FFFFFF	#000000	##000000
##3581DA	1.00	3.96	5.30	5.30
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.30	21.00	1.00	1.00
##000000	5.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5688DE

Deuteranopia (green-blind)

#3A79D8

Tritanopia (blue-blind)

#0096A3

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3581da;
/* rgb */ color: rgb(53, 129, 218);
/* oklch */ color: oklch(60.1% 0.155 254.6);

Tailwind

colors: {
  custom: {
    50: '#83a5e6',
    500: '#3581da',
    950: '#000000',
  },
}

SCSS

$custom: #3581da;
$custom-light: #83a5e6;
$custom-dark: #000000;

JSON

{
  "hex": "#3581da",
  "rgb": {
    "r": 53,
    "g": 129,
    "b": 218
  },
  "hsl": {
    "h": 212.364,
    "s": 69.038,
    "l": 53.137
  },
  "oklch": {
    "l": 0.60083,
    "c": 0.15479,
    "h": 254.6
  },
  "luminance": 0.21519
}

Semantic roles & 50–950 ramp

primary

#3581DA

secondary

#D9B892

accent

#9B3CEC

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0C0F16

muted

#7D7F84

Preview Lab

Preview with #3581DA

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

Preview Lab → · Contrast checker → · Palette generator →