#3581BA#3581BA

#3581BA is a mid, moderate cyan. Relative luminance 0.200; OKLCH L 58.2% C 0.115 H 244.5°. Best body text is #000000 at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#3581BA
RGB	rgb(53, 129, 186)
HSL	hsl(206, 56%, 47%)
HSV	hsv(206, 72%, 73%)
CMYK	cmyk(71.5%, 30.6%, 0%, 27.1%)
CIE-LAB	lab(51.84, -4.33, -36.66)
CIE-LCH	lch(51.84, 36.92, 263.27°)
OKLab	oklab(58.23% -0.0495 -0.1037)
OKLCH	oklch(58.23% 0.115 244.5)
XYZ	xyz(18.1780, 20.0006, 49.3473)
Luminance	0.2000 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3581BA #BA6E35

analogous

#35BAB1 #3581BA #353FBA

triadic

#3581BA #BA3581 #81BA35

tetradic

#3581BA #B135BA #BA6E35 #3FBA35

square

#3581BA #B135BA #BA6E35 #3FBA35

split-complementary

#3581BA #BA353F #BAB135

monochromatic

#1A3F5B #27608A #3581BA #5C9ED0 #8BBBDE

Accessibility & contrast

On white

4.20

#3581BA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.00

#3581BA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3581BA

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3581BA	#FFFFFF	#000000	##000000
##3581BA	1.00	4.20	5.00	5.00
#FFFFFF	4.20	1.00	21.00	21.00
#000000	5.00	21.00	1.00	1.00
##000000	5.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6783BC

Deuteranopia (green-blind)

#5576B9

Tritanopia (blue-blind)

#008F95

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #3581ba;
/* rgb */ color: rgb(53, 129, 186);
/* oklch */ color: oklch(58.2% 0.115 244.5);

Tailwind

colors: {
  custom: {
    50: '#7da5cf',
    500: '#3581ba',
    950: '#000000',
  },
}

SCSS

$custom: #3581ba;
$custom-light: #7da5cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3581ba",
  "rgb": {
    "r": 53,
    "g": 129,
    "b": 186
  },
  "hsl": {
    "h": 205.714,
    "s": 55.649,
    "l": 46.863
  },
  "oklch": {
    "l": 0.58226,
    "c": 0.11497,
    "h": 244.5
  },
  "luminance": 0.20003
}

Semantic roles & 50–950 ramp

primary

#3581BA

secondary

#C8A082

accent

#8949DF

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3581BA

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

Preview Lab → · Contrast checker → · Palette generator →