#4F91BF#4F91BF

#4F91BF is a light, moderate cyan. Relative luminance 0.257; OKLCH L 63.2% C 0.097 H 241.0°. Best body text is #000000 at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#4F91BF
RGB	rgb(79, 145, 191)
HSL	hsl(205, 47%, 53%)
HSV	hsv(205, 59%, 75%)
CMYK	cmyk(58.6%, 24.1%, 0%, 25.1%)
CIE-LAB	lab(57.73, -7.33, -30.25)
CIE-LCH	lch(57.73, 31.13, 256.37°)
OKLab	oklab(63.22% -0.047 -0.0848)
OKLCH	oklch(63.22% 0.097 241)
XYZ	xyz(22.7503, 25.6726, 53.0365)
Luminance	0.2567 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F91BF #BF7D4F

analogous

#4FBFB5 #4F91BF #4F59BF

triadic

#4F91BF #BF4F91 #91BF4F

tetradic

#4F91BF #B54FBF #BF7D4F #59BF4F

square

#4F91BF #B54FBF #BF7D4F #59BF4F

split-complementary

#4F91BF #BF4F59 #BFB54F

monochromatic

#27506C #387199 #4F91BF #7CADCF #A9C9E0

Accessibility & contrast

On white

3.42

#4F91BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.13

#4F91BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F91BF

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F91BF	#FFFFFF	#000000	##000000
##4F91BF	1.00	3.42	6.13	6.13
#FFFFFF	3.42	1.00	21.00	21.00
#000000	6.13	21.00	1.00	1.00
##000000	6.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C91C1

Deuteranopia (green-blind)

#6D86BE

Tritanopia (blue-blind)

#009CA1

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #4f91bf;
/* rgb */ color: rgb(79, 145, 191);
/* oklch */ color: oklch(63.2% 0.097 241.0);

Tailwind

colors: {
  custom: {
    50: '#89b1d2',
    500: '#4f91bf',
    950: '#000000',
  },
}

SCSS

$custom: #4f91bf;
$custom-light: #89b1d2;
$custom-dark: #000000;

JSON

{
  "hex": "#4f91bf",
  "rgb": {
    "r": 79,
    "g": 145,
    "b": 191
  },
  "hsl": {
    "h": 204.643,
    "s": 46.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.63215,
    "c": 0.09692,
    "h": 241
  },
  "luminance": 0.25675
}

Semantic roles & 50–950 ramp

primary

#4F91BF

secondary

#CDB19D

accent

#8851D6

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C1014

muted

#7D7F82

Preview Lab

Preview with #4F91BF

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

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