#4591CB#4591CB

#4591CB is a light, moderate cyan. Relative luminance 0.258; OKLCH L 63.4% C 0.115 H 244.2°. Best body text is #000000 at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#4591CB
RGB	rgb(69, 145, 203)
HSL	hsl(206, 56%, 53%)
HSV	hsv(206, 66%, 80%)
CMYK	cmyk(66%, 28.6%, 0%, 20.4%)
CIE-LAB	lab(57.87, -5.24, -36.83)
CIE-LCH	lch(57.87, 37.20, 261.91°)
OKLab	oklab(63.4% -0.0502 -0.1039)
OKLCH	oklch(63.4% 0.115 244.2)
XYZ	xyz(23.3551, 25.8254, 60.2423)
Luminance	0.2583 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4591CB #CB7F45

analogous

#45CBC2 #4591CB #454ECB

triadic

#4591CB #CB4591 #91CB45

tetradic

#4591CB #C245CB #CB7F45 #4ECB45

square

#4591CB #C245CB #CB7F45 #4ECB45

split-complementary

#4591CB #CB454E #CBC245

monochromatic

#215075 #2E71A5 #4591CB #75ADD8 #A5CAE6

Accessibility & contrast

On white

3.41

#4591CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.17

#4591CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4591CB

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4591CB	#FFFFFF	#000000	##000000
##4591CB	1.00	3.41	6.17	6.17
#FFFFFF	3.41	1.00	21.00	21.00
#000000	6.17	21.00	1.00	1.00
##000000	6.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7792CE

Deuteranopia (green-blind)

#6585CA

Tritanopia (blue-blind)

#009FA5

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #4591cb;
/* rgb */ color: rgb(69, 145, 203);
/* oklch */ color: oklch(63.4% 0.115 244.2);

Tailwind

colors: {
  custom: {
    50: '#86b1db',
    500: '#4591cb',
    950: '#000000',
  },
}

SCSS

$custom: #4591cb;
$custom-light: #86b1db;
$custom-dark: #000000;

JSON

{
  "hex": "#4591cb",
  "rgb": {
    "r": 69,
    "g": 145,
    "b": 203
  },
  "hsl": {
    "h": 205.97,
    "s": 56.303,
    "l": 53.333
  },
  "oklch": {
    "l": 0.63399,
    "c": 0.11539,
    "h": 244.2
  },
  "luminance": 0.25828
}

Semantic roles & 50–950 ramp

primary

#4591CB

secondary

#D3B299

accent

#8A48E0

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #4591CB

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

Preview Lab → · Contrast checker → · Palette generator →