#3580BD#3580BD

#3580BD is a mid, moderate cyan. Relative luminance 0.199; OKLCH L 58.2% C 0.119 H 246.5°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#3580BD
RGB	rgb(53, 128, 189)
HSL	hsl(207, 56%, 47%)
HSV	hsv(207, 72%, 74%)
CMYK	cmyk(72%, 32.3%, 0%, 25.9%)
CIE-LAB	lab(51.69, -2.67, -38.62)
CIE-LCH	lch(51.69, 38.71, 266.04°)
OKLab	oklab(58.16% -0.0476 -0.1095)
OKLCH	oklch(58.16% 0.119 246.5)
XYZ	xyz(18.3692, 19.8673, 51.0009)
Luminance	0.1987 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3580BD #BD7235

analogous

#35BDB6 #3580BD #353CBD

triadic

#3580BD #BD3580 #80BD35

tetradic

#3580BD #B635BD #BD7235 #3CBD35

square

#3580BD #B635BD #BD7235 #3CBD35

split-complementary

#3580BD #BD353C #BDB635

monochromatic

#1A3F5D #28608D #3580BD #5D9ED2 #8DBADF

Accessibility & contrast

On white

4.22

#3580BD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#3580BD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3580BD

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3580BD	#FFFFFF	#000000	##000000
##3580BD	1.00	4.22	4.97	4.97
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.97	21.00	1.00	1.00
##000000	4.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6482C0

Deuteranopia (green-blind)

#5175BC

Tritanopia (blue-blind)

#008F96

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #3580bd;
/* rgb */ color: rgb(53, 128, 189);
/* oklch */ color: oklch(58.2% 0.119 246.5);

Tailwind

colors: {
  custom: {
    50: '#7da4d1',
    500: '#3580bd',
    950: '#000000',
  },
}

SCSS

$custom: #3580bd;
$custom-light: #7da4d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3580bd",
  "rgb": {
    "r": 53,
    "g": 128,
    "b": 189
  },
  "hsl": {
    "h": 206.912,
    "s": 56.198,
    "l": 47.451
  },
  "oklch": {
    "l": 0.58155,
    "c": 0.11938,
    "h": 246.5
  },
  "luminance": 0.19869
}

Semantic roles & 50–950 ramp

primary

#3580BD

secondary

#CAA384

accent

#8C48DF

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3580BD

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

Preview Lab → · Contrast checker → · Palette generator →