#4591B3#4591B3

#4591B3 is a light, moderate cyan. Relative luminance 0.248; OKLCH L 62.3% C 0.091 H 229.9°. Best body text is #000000 at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#4591B3
RGB	rgb(69, 145, 179)
HSL	hsl(199, 44%, 49%)
HSV	hsv(199, 61%, 70%)
CMYK	cmyk(61.5%, 19%, 0%, 29.8%)
CIE-LAB	lab(56.85, -13.12, -24.82)
CIE-LCH	lch(56.85, 28.08, 242.15°)
OKLab	oklab(62.25% -0.0584 -0.0693)
OKLCH	oklch(62.25% 0.091 229.9)
XYZ	xyz(20.7132, 24.7686, 46.3283)
Luminance	0.2477 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4591B3 #B36745

analogous

#45B39E #4591B3 #455AB3

triadic

#4591B3 #B34591 #91B345

tetradic

#4591B3 #9E45B3 #B36745 #5AB345

square

#4591B3 #9E45B3 #B36745 #5AB345

split-complementary

#4591B3 #B3455A #B39E45

monochromatic

#23495B #346D87 #4591B3 #6EACC7 #9AC5D8

Accessibility & contrast

On white

3.53

#4591B3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.95

#4591B3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4591B3

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4591B3	#FFFFFF	#000000	##000000
##4591B3	1.00	3.53	5.95	5.95
#FFFFFF	3.53	1.00	21.00	21.00
#000000	5.95	21.00	1.00	1.00
##000000	5.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#808FB5

Deuteranopia (green-blind)

#7083B3

Tritanopia (blue-blind)

#009A9C

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #4591b3;
/* rgb */ color: rgb(69, 145, 179);
/* oklch */ color: oklch(62.3% 0.091 229.9);

Tailwind

colors: {
  custom: {
    50: '#83b1c9',
    500: '#4591b3',
    950: '#000000',
  },
}

SCSS

$custom: #4591b3;
$custom-light: #83b1c9;
$custom-dark: #000000;

JSON

{
  "hex": "#4591b3",
  "rgb": {
    "r": 69,
    "g": 145,
    "b": 179
  },
  "hsl": {
    "h": 198.545,
    "s": 44.355,
    "l": 48.627
  },
  "oklch": {
    "l": 0.62251,
    "c": 0.09065,
    "h": 229.9
  },
  "luminance": 0.24771
}

Semantic roles & 50–950 ramp

primary

#4591B3

secondary

#C4A08F

accent

#7B54D4

background

#F8FAFC

surface

#F0F5F8

border

#CBCFD1

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #4591B3

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

Preview Lab → · Contrast checker → · Palette generator →