#4091C5#4091C5

#4091C5 is a light, moderate cyan. Relative luminance 0.254; OKLCH L 62.9% C 0.111 H 240.1°. Best body text is #000000 at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#4091C5
RGB	rgb(64, 145, 197)
HSL	hsl(203, 53%, 51%)
HSV	hsv(203, 68%, 77%)
CMYK	cmyk(67.5%, 26.4%, 0%, 22.7%)
CIE-LAB	lab(57.43, -8.08, -34.14)
CIE-LCH	lch(57.43, 35.08, 256.69°)
OKLab	oklab(62.92% -0.0554 -0.0961)
OKLCH	oklch(62.92% 0.111 240.1)
XYZ	xyz(22.3139, 25.3696, 56.5333)
Luminance	0.2537 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4091C5 #C57440

analogous

#40C5B7 #4091C5 #404EC5

triadic

#4091C5 #C54091 #91C540

tetradic

#4091C5 #B740C5 #C57440 #4EC540

square

#4091C5 #B740C5 #C57440 #4EC540

split-complementary

#4091C5 #C5404E #C5B740

monochromatic

#204D6A #2F7099 #4091C5 #6FACD3 #9EC7E2

Accessibility & contrast

On white

3.46

#4091C5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.07

#4091C5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4091C5

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4091C5	#FFFFFF	#000000	##000000
##4091C5	1.00	3.46	6.07	6.07
#FFFFFF	3.46	1.00	21.00	21.00
#000000	6.07	21.00	1.00	1.00
##000000	6.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7991C7

Deuteranopia (green-blind)

#6784C4

Tritanopia (blue-blind)

#009EA3

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #4091c5;
/* rgb */ color: rgb(64, 145, 197);
/* oklch */ color: oklch(62.9% 0.111 240.1);

Tailwind

colors: {
  custom: {
    50: '#83b1d6',
    500: '#4091c5',
    950: '#000000',
  },
}

SCSS

$custom: #4091c5;
$custom-light: #83b1d6;
$custom-dark: #000000;

JSON

{
  "hex": "#4091c5",
  "rgb": {
    "r": 64,
    "g": 145,
    "b": 197
  },
  "hsl": {
    "h": 203.459,
    "s": 53.414,
    "l": 51.176
  },
  "oklch": {
    "l": 0.62917,
    "c": 0.11095,
    "h": 240.1
  },
  "luminance": 0.25372
}

Semantic roles & 50–950 ramp

primary

#4091C5

secondary

#CEAA93

accent

#844BDD

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C1014

muted

#7D7F83

Preview Lab

Preview with #4091C5

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

Preview Lab → · Contrast checker → · Palette generator →