#4591D3#4591D3

#4591D3 is a light, vivid cyan. Relative luminance 0.262; OKLCH L 63.8% C 0.125 H 247.5°. Best body text is #000000 at 6.24:1 contrast (WCAG AA passes).

Color values

HEX	#4591D3
RGB	rgb(69, 145, 211)
HSL	hsl(208, 62%, 55%)
HSV	hsv(208, 67%, 83%)
CMYK	cmyk(67.3%, 31.3%, 0%, 17.3%)
CIE-LAB	lab(58.24, -2.52, -40.74)
CIE-LCH	lch(58.24, 40.82, 266.45°)
OKLab	oklab(63.81% -0.0478 -0.1152)
OKLCH	oklch(63.81% 0.125 247.5)
XYZ	xyz(24.3331, 26.2166, 65.3933)
Luminance	0.2622 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4591D3 #D38745

analogous

#45D3CE #4591D3 #454AD3

triadic

#4591D3 #D34591 #91D345

tetradic

#4591D3 #CE45D3 #D38745 #4AD345

square

#4591D3 #CE45D3 #D38745 #4AD345

split-complementary

#4591D3 #D3454A #D3CE45

monochromatic

#1E527F #2A72B1 #4591D3 #76AEDF #A8CCEA

Accessibility & contrast

On white

3.36

#4591D3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.24

#4591D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4591D3

6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4591D3	#FFFFFF	#000000	##000000
##4591D3	1.00	3.36	6.24	6.24
#FFFFFF	3.36	1.00	21.00	21.00
#000000	6.24	21.00	1.00	1.00
##000000	6.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7494D6

Deuteranopia (green-blind)

#6086D2

Tritanopia (blue-blind)

#00A1A8

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #4591d3;
/* rgb */ color: rgb(69, 145, 211);
/* oklch */ color: oklch(63.8% 0.125 247.5);

Tailwind

colors: {
  custom: {
    50: '#87b1e1',
    500: '#4591d3',
    950: '#000000',
  },
}

SCSS

$custom: #4591d3;
$custom-light: #87b1e1;
$custom-dark: #000000;

JSON

{
  "hex": "#4591d3",
  "rgb": {
    "r": 69,
    "g": 145,
    "b": 211
  },
  "hsl": {
    "h": 207.887,
    "s": 61.739,
    "l": 54.902
  },
  "oklch": {
    "l": 0.63813,
    "c": 0.12478,
    "h": 247.5
  },
  "luminance": 0.26219
}

Semantic roles & 50–950 ramp

primary

#4591D3

secondary

#D8B89C

accent

#8E43E5

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0D1015

muted

#7D7F83

Preview Lab

Preview with #4591D3

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

Preview Lab → · Contrast checker → · Palette generator →