#4991BF#4991BF

#4991BF is a light, moderate cyan. Relative luminance 0.254; OKLCH L 63.0% C 0.100 H 239.1°. Best body text is #000000 at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#4991BF
RGB	rgb(73, 145, 191)
HSL	hsl(203, 48%, 52%)
HSV	hsv(203, 62%, 75%)
CMYK	cmyk(61.8%, 24.1%, 0%, 25.1%)
CIE-LAB	lab(57.49, -8.50, -30.64)
CIE-LCH	lch(57.49, 31.79, 254.49°)
OKLab	oklab(62.96% -0.0514 -0.0859)
OKLCH	oklch(62.96% 0.1 239.1)
XYZ	xyz(22.2735, 25.4267, 53.0141)
Luminance	0.2543 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4991BF #BF7749

analogous

#49BFB2 #4991BF #4956BF

triadic

#4991BF #BF4991 #91BF49

tetradic

#4991BF #B249BF #BF7749 #56BF49

square

#4991BF #B249BF #BF7749 #56BF49

split-complementary

#4991BF #BF4956 #BFB249

monochromatic

#254E69 #357096 #4991BF #76ACCF #A4C8DF

Accessibility & contrast

On white

3.45

#4991BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.09

#4991BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4991BF

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4991BF	#FFFFFF	#000000	##000000
##4991BF	1.00	3.45	6.09	6.09
#FFFFFF	3.45	1.00	21.00	21.00
#000000	6.09	21.00	1.00	1.00
##000000	6.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C91C1

Deuteranopia (green-blind)

#6C85BE

Tritanopia (blue-blind)

#009DA1

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #4991bf;
/* rgb */ color: rgb(73, 145, 191);
/* oklch */ color: oklch(63.0% 0.100 239.1);

Tailwind

colors: {
  custom: {
    50: '#86b1d2',
    500: '#4991bf',
    950: '#000000',
  },
}

SCSS

$custom: #4991bf;
$custom-light: #86b1d2;
$custom-dark: #000000;

JSON

{
  "hex": "#4991bf",
  "rgb": {
    "r": 73,
    "g": 145,
    "b": 191
  },
  "hsl": {
    "h": 203.39,
    "s": 47.967,
    "l": 51.765
  },
  "oklch": {
    "l": 0.62963,
    "c": 0.10013,
    "h": 239.1
  },
  "luminance": 0.25429
}

Semantic roles & 50–950 ramp

primary

#4991BF

secondary

#CCAC98

accent

#8550D8

background

#F8FAFC

surface

#F0F5F9

border

#CBCFD2

text

#0C1014

muted

#7D7F82

Preview Lab

Preview with #4991BF

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

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