#3583BF#3583BF

#3583BF is a mid, moderate cyan. Relative luminance 0.208; OKLCH L 59.0% C 0.119 H 245.2°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#3583BF
RGB	rgb(53, 131, 191)
HSL	hsl(206, 57%, 48%)
HSV	hsv(206, 72%, 75%)
CMYK	cmyk(72.3%, 31.4%, 0%, 25.1%)
CIE-LAB	lab(52.67, -3.73, -38.21)
CIE-LCH	lch(52.67, 38.39, 264.42°)
OKLab	oklab(58.97% -0.05 -0.1082)
OKLCH	oklch(58.97% 0.119 245.2)
XYZ	xyz(18.9849, 20.7489, 52.2845)
Luminance	0.2075 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3583BF #BF7135

analogous

#35BFB6 #3583BF #353EBF

triadic

#3583BF #BF3583 #83BF35

tetradic

#3583BF #B635BF #BF7135 #3EBF35

square

#3583BF #B635BF #BF7135 #3EBF35

split-complementary

#3583BF #BF353E #BFB635

monochromatic

#1A415F #28628F #3583BF #5FA0D3 #8FBCE0

Accessibility & contrast

On white

4.08

#3583BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.15

#3583BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3583BF

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3583BF	#FFFFFF	#000000	##000000
##3583BF	1.00	4.08	5.15	5.15
#FFFFFF	4.08	1.00	21.00	21.00
#000000	5.15	21.00	1.00	1.00
##000000	5.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6885C2

Deuteranopia (green-blind)

#5478BE

Tritanopia (blue-blind)

#009298

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #3583bf;
/* rgb */ color: rgb(53, 131, 191);
/* oklch */ color: oklch(59.0% 0.119 245.2);

Tailwind

colors: {
  custom: {
    50: '#7ea6d2',
    500: '#3583bf',
    950: '#000000',
  },
}

SCSS

$custom: #3583bf;
$custom-light: #7ea6d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3583bf",
  "rgb": {
    "r": 53,
    "g": 131,
    "b": 191
  },
  "hsl": {
    "h": 206.087,
    "s": 56.557,
    "l": 47.843
  },
  "oklch": {
    "l": 0.58965,
    "c": 0.11922,
    "h": 245.2
  },
  "luminance": 0.20751
}

Semantic roles & 50–950 ramp

primary

#3583BF

secondary

#CAA385

accent

#8A48E0

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3583BF

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

Preview Lab → · Contrast checker → · Palette generator →