#4F91B7#4F91B7

#4F91B7 is a light, moderate cyan. Relative luminance 0.253; OKLCH L 62.8% C 0.089 H 235.8°. Best body text is #000000 at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#4F91B7
RGB	rgb(79, 145, 183)
HSL	hsl(202, 42%, 51%)
HSV	hsv(202, 57%, 72%)
CMYK	cmyk(56.8%, 20.8%, 0%, 28.2%)
CIE-LAB	lab(57.40, -9.86, -26.22)
CIE-LCH	lch(57.40, 28.02, 249.40°)
OKLab	oklab(62.85% -0.0498 -0.0732)
OKLCH	oklch(62.85% 0.089 235.8)
XYZ	xyz(21.8939, 25.3300, 48.5260)
Luminance	0.2533 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F91B7 #B7754F

analogous

#4FB7A9 #4F91B7 #4F5DB7

triadic

#4F91B7 #B74F91 #91B74F

tetradic

#4F91B7 #A94FB7 #B7754F #5DB74F

square

#4F91B7 #A94FB7 #B7754F #5DB74F

split-complementary

#4F91B7 #B74F5D #B7A94F

monochromatic

#294E63 #3A708F #4F91B7 #7AACC9 #A6C7DB

Accessibility & contrast

On white

3.46

#4F91B7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.07

#4F91B7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F91B7

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F91B7	#FFFFFF	#000000	##000000
##4F91B7	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)

#7F90B9

Deuteranopia (green-blind)

#7185B6

Tritanopia (blue-blind)

#009B9E

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #4f91b7;
/* rgb */ color: rgb(79, 145, 183);
/* oklch */ color: oklch(62.8% 0.089 235.8);

Tailwind

colors: {
  custom: {
    50: '#88b1cc',
    500: '#4f91b7',
    950: '#000000',
  },
}

SCSS

$custom: #4f91b7;
$custom-light: #88b1cc;
$custom-dark: #000000;

JSON

{
  "hex": "#4f91b7",
  "rgb": {
    "r": 79,
    "g": 145,
    "b": 183
  },
  "hsl": {
    "h": 201.923,
    "s": 41.935,
    "l": 51.373
  },
  "oklch": {
    "l": 0.62846,
    "c": 0.08853,
    "h": 235.8
  },
  "luminance": 0.25332
}

Semantic roles & 50–950 ramp

primary

#4F91B7

secondary

#C8AB9A

accent

#8356D2

background

#F8FAFC

surface

#F0F5F9

border

#CBCFD2

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #4F91B7

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

Preview Lab → · Contrast checker → · Palette generator →