#4591C9#4591C9

#4591C9 is a light, moderate cyan. Relative luminance 0.257; OKLCH L 63.3% C 0.113 H 243.3°. Best body text is #000000 at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#4591C9
RGB	rgb(69, 145, 201)
HSL	hsl(205, 55%, 53%)
HSV	hsv(205, 66%, 79%)
CMYK	cmyk(65.7%, 27.9%, 0%, 21.2%)
CIE-LAB	lab(57.78, -5.91, -35.84)
CIE-LCH	lch(57.78, 36.32, 260.64°)
OKLab	oklab(63.3% -0.0509 -0.101)
OKLCH	oklch(63.3% 0.113 243.3)
XYZ	xyz(23.1183, 25.7307, 58.9952)
Luminance	0.2573 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4591C9 #C97D45

analogous

#45C9BF #4591C9 #454FC9

triadic

#4591C9 #C94591 #91C945

tetradic

#4591C9 #BF45C9 #C97D45 #4FC945

square

#4591C9 #BF45C9 #C97D45 #4FC945

split-complementary

#4591C9 #C9454F #C9BF45

monochromatic

#215072 #2F71A2 #4591C9 #74ADD7 #A4C9E5

Accessibility & contrast

On white

3.42

#4591C9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.15

#4591C9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4591C9

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4591C9	#FFFFFF	#000000	##000000
##4591C9	1.00	3.42	6.15	6.15
#FFFFFF	3.42	1.00	21.00	21.00
#000000	6.15	21.00	1.00	1.00
##000000	6.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7892CC

Deuteranopia (green-blind)

#6685C8

Tritanopia (blue-blind)

#009FA4

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #4591c9;
/* rgb */ color: rgb(69, 145, 201);
/* oklch */ color: oklch(63.3% 0.113 243.3);

Tailwind

colors: {
  custom: {
    50: '#86b1d9',
    500: '#4591c9',
    950: '#000000',
  },
}

SCSS

$custom: #4591c9;
$custom-light: #86b1d9;
$custom-dark: #000000;

JSON

{
  "hex": "#4591c9",
  "rgb": {
    "r": 69,
    "g": 145,
    "b": 201
  },
  "hsl": {
    "h": 205.455,
    "s": 55,
    "l": 52.941
  },
  "oklch": {
    "l": 0.63297,
    "c": 0.11311,
    "h": 243.3
  },
  "luminance": 0.25733
}

Semantic roles & 50–950 ramp

primary

#4591C9

secondary

#D1B198

accent

#8949DE

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C1014

muted

#7D7F83

Preview Lab

Preview with #4591C9

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

Preview Lab → · Contrast checker → · Palette generator →