#4581CC#4581CC

#4581CC is a mid, vivid cyan. Relative luminance 0.213; OKLCH L 59.8% C 0.131 H 255.1°. Best body text is #000000 at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#4581CC
RGB	rgb(69, 129, 204)
HSL	hsl(213, 57%, 54%)
HSV	hsv(213, 66%, 80%)
CMYK	cmyk(66.2%, 36.8%, 0%, 20%)
CIE-LAB	lab(53.30, 4.51, -44.59)
CIE-LCH	lch(53.30, 44.81, 275.78°)
OKLab	oklab(59.83% -0.0337 -0.1267)
OKLCH	oklch(59.83% 0.131 255.1)
XYZ	xyz(21.1996, 21.3232, 60.1136)
Luminance	0.2132 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4581CC #CC9045

analogous

#45C5CC #4581CC #4C45CC

triadic

#4581CC #CC4581 #81CC45

tetradic

#4581CC #CC45C5 #CC9045 #45CC4C

square

#4581CC #CC45C5 #CC9045 #45CC4C

split-complementary

#4581CC #CC4C45 #C5CC45

monochromatic

#204776 #2E63A6 #4581CC #75A2D9 #A5C2E6

Accessibility & contrast

On white

3.99

#4581CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.27

#4581CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4581CC

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4581CC	#FFFFFF	#000000	##000000
##4581CC	1.00	3.99	5.27	5.27
#FFFFFF	3.99	1.00	21.00	21.00
#000000	5.27	21.00	1.00	1.00
##000000	5.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6086CF

Deuteranopia (green-blind)

#4C7ACA

Tritanopia (blue-blind)

#00929D

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #4581cc;
/* rgb */ color: rgb(69, 129, 204);
/* oklch */ color: oklch(59.8% 0.131 255.1);

Tailwind

colors: {
  custom: {
    50: '#86a5dc',
    500: '#4581cc',
    950: '#000000',
  },
}

SCSS

$custom: #4581cc;
$custom-light: #86a5dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4581cc",
  "rgb": {
    "r": 69,
    "g": 129,
    "b": 204
  },
  "hsl": {
    "h": 213.333,
    "s": 56.962,
    "l": 53.529
  },
  "oklch": {
    "l": 0.59827,
    "c": 0.13108,
    "h": 255.1
  },
  "luminance": 0.21325
}

Semantic roles & 50–950 ramp

primary

#4581CC

secondary

#D3BA99

accent

#9C48E0

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #4581CC

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

Preview Lab → · Contrast checker → · Palette generator →