#4F91C5#4F91C5

#4F91C5 is a light, moderate cyan. Relative luminance 0.259; OKLCH L 63.5% C 0.104 H 244.3°. Best body text is #000000 at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#4F91C5
RGB	rgb(79, 145, 197)
HSL	hsl(206, 50%, 54%)
HSV	hsv(206, 60%, 77%)
CMYK	cmyk(59.9%, 26.4%, 0%, 22.7%)
CIE-LAB	lab(57.98, -5.41, -33.24)
CIE-LCH	lch(57.98, 33.68, 260.76°)
OKLab	oklab(63.5% -0.045 -0.0934)
OKLCH	oklch(63.5% 0.104 244.3)
XYZ	xyz(23.4242, 25.9421, 56.5854)
Luminance	0.2594 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F91C5 #C5834F

analogous

#4FC5BE #4F91C5 #4F56C5

triadic

#4F91C5 #C54F91 #91C54F

tetradic

#4F91C5 #BE4FC5 #C5834F #56C54F

square

#4F91C5 #BE4FC5 #C5834F #56C54F

split-complementary

#4F91C5 #C54F56 #C5BE4F

monochromatic

#265174 #3572A2 #4F91C5 #7DAED4 #ABCBE3

Accessibility & contrast

On white

3.39

#4F91C5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.19

#4F91C5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F91C5

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F91C5	#FFFFFF	#000000	##000000
##4F91C5	1.00	3.39	6.19	6.19
#FFFFFF	3.39	1.00	21.00	21.00
#000000	6.19	21.00	1.00	1.00
##000000	6.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A92C7

Deuteranopia (green-blind)

#6A86C4

Tritanopia (blue-blind)

#009EA3

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #4f91c5;
/* rgb */ color: rgb(79, 145, 197);
/* oklch */ color: oklch(63.5% 0.104 244.3);

Tailwind

colors: {
  custom: {
    50: '#8ab1d6',
    500: '#4f91c5',
    950: '#000000',
  },
}

SCSS

$custom: #4f91c5;
$custom-light: #8ab1d6;
$custom-dark: #000000;

JSON

{
  "hex": "#4f91c5",
  "rgb": {
    "r": 79,
    "g": 145,
    "b": 197
  },
  "hsl": {
    "h": 206.441,
    "s": 50.427,
    "l": 54.118
  },
  "oklch": {
    "l": 0.63503,
    "c": 0.10367,
    "h": 244.3
  },
  "luminance": 0.25944
}

Semantic roles & 50–950 ramp

primary

#4F91C5

secondary

#D1B59F

accent

#8C4EDA

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0D1014

muted

#7D7F83

Preview Lab

Preview with #4F91C5

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

Preview Lab → · Contrast checker → · Palette generator →