#4F91BA#4F91BA

#4F91BA is a light, moderate cyan. Relative luminance 0.255; OKLCH L 63.0% C 0.092 H 237.9°. Best body text is #000000 at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#4F91BA
RGB	rgb(79, 145, 186)
HSL	hsl(203, 44%, 52%)
HSV	hsv(203, 58%, 73%)
CMYK	cmyk(57.5%, 22%, 0%, 27.1%)
CIE-LAB	lab(57.52, -8.92, -27.74)
CIE-LCH	lch(57.52, 29.14, 252.18°)
OKLab	oklab(62.98% -0.0487 -0.0776)
OKLCH	oklch(62.98% 0.092 237.9)
XYZ	xyz(22.2095, 25.4562, 50.1880)
Luminance	0.2546 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F91BA #BA784F

analogous

#4FBAAE #4F91BA #4F5CBA

triadic

#4F91BA #BA4F91 #91BA4F

tetradic

#4F91BA #AE4FBA #BA784F #5CBA4F

square

#4F91BA #AE4FBA #BA784F #5CBA4F

split-complementary

#4F91BA #BA4F5C #BAAE4F

monochromatic

#284F66 #397092 #4F91BA #7BACCB #A7C8DC

Accessibility & contrast

On white

3.45

#4F91BA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.09

#4F91BA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F91BA

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F91BA	#FFFFFF	#000000	##000000
##4F91BA	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)

#7E90BC

Deuteranopia (green-blind)

#6F85B9

Tritanopia (blue-blind)

#009B9F

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #4f91ba;
/* rgb */ color: rgb(79, 145, 186);
/* oklch */ color: oklch(63.0% 0.092 237.9);

Tailwind

colors: {
  custom: {
    50: '#89b1cf',
    500: '#4f91ba',
    950: '#000000',
  },
}

SCSS

$custom: #4f91ba;
$custom-light: #89b1cf;
$custom-dark: #000000;

JSON

{
  "hex": "#4f91ba",
  "rgb": {
    "r": 79,
    "g": 145,
    "b": 186
  },
  "hsl": {
    "h": 202.991,
    "s": 43.673,
    "l": 51.961
  },
  "oklch": {
    "l": 0.62982,
    "c": 0.09159,
    "h": 237.9
  },
  "luminance": 0.25458
}

Semantic roles & 50–950 ramp

primary

#4F91BA

secondary

#CAAD9B

accent

#8554D3

background

#F8FAFC

surface

#F0F5F9

border

#CBCFD2

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #4F91BA

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

Preview Lab → · Contrast checker → · Palette generator →