#4591C4#4591C4

#4591C4 is a light, moderate cyan. Relative luminance 0.255; OKLCH L 63.0% C 0.108 H 240.8°. Best body text is #000000 at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#4591C4
RGB	rgb(69, 145, 196)
HSL	hsl(204, 52%, 52%)
HSV	hsv(204, 65%, 77%)
CMYK	cmyk(64.8%, 26%, 0%, 23.1%)
CIE-LAB	lab(57.56, -7.58, -33.37)
CIE-LCH	lch(57.56, 34.22, 257.20°)
OKLab	oklab(63.05% -0.0525 -0.0939)
OKLCH	oklch(63.05% 0.108 240.8)
XYZ	xyz(22.5397, 25.4992, 55.9478)
Luminance	0.2550 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4591C4 #C47845

analogous

#45C4B7 #4591C4 #4552C4

triadic

#4591C4 #C44591 #91C445

tetradic

#4591C4 #B745C4 #C47845 #52C445

square

#4591C4 #B745C4 #C47845 #52C445

split-complementary

#4591C4 #C44552 #C4B745

monochromatic

#224F6C #31709B #4591C4 #73ACD3 #A2C8E1

Accessibility & contrast

On white

3.44

#4591C4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.10

#4591C4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4591C4

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4591C4	#FFFFFF	#000000	##000000
##4591C4	1.00	3.44	6.10	6.10
#FFFFFF	3.44	1.00	21.00	21.00
#000000	6.10	21.00	1.00	1.00
##000000	6.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A91C6

Deuteranopia (green-blind)

#6885C3

Tritanopia (blue-blind)

#009EA3

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #4591c4;
/* rgb */ color: rgb(69, 145, 196);
/* oklch */ color: oklch(63.0% 0.108 240.8);

Tailwind

colors: {
  custom: {
    50: '#85b1d6',
    500: '#4591c4',
    950: '#000000',
  },
}

SCSS

$custom: #4591c4;
$custom-light: #85b1d6;
$custom-dark: #000000;

JSON

{
  "hex": "#4591c4",
  "rgb": {
    "r": 69,
    "g": 145,
    "b": 196
  },
  "hsl": {
    "h": 204.094,
    "s": 51.837,
    "l": 51.961
  },
  "oklch": {
    "l": 0.63049,
    "c": 0.10753,
    "h": 240.8
  },
  "luminance": 0.25502
}

Semantic roles & 50–950 ramp

primary

#4591C4

secondary

#CEAD97

accent

#864DDB

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C1014

muted

#7D7F83

Preview Lab

Preview with #4591C4

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

Preview Lab → · Contrast checker → · Palette generator →