#4F91CF#4F91CF

#4F91CF is a light, moderate cyan. Relative luminance 0.264; OKLCH L 64.0% C 0.116 H 248.7°. Best body text is #000000 at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#4F91CF
RGB	rgb(79, 145, 207)
HSL	hsl(209, 57%, 56%)
HSV	hsv(209, 62%, 81%)
CMYK	cmyk(61.8%, 30%, 0%, 18.8%)
CIE-LAB	lab(58.43, -2.14, -38.17)
CIE-LCH	lch(58.43, 38.23, 266.79°)
OKLab	oklab(64% -0.0419 -0.1077)
OKLCH	oklch(64% 0.116 248.7)
XYZ	xyz(24.6082, 26.4157, 62.8213)
Luminance	0.2642 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F91CF #CF8D4F

analogous

#4FCFCD #4F91CF #4F51CF

triadic

#4F91CF #CF4F91 #91CF4F

tetradic

#4F91CF #CD4FCF #CF8D4F #51CF4F

square

#4F91CF #CD4FCF #CF8D4F #51CF4F

split-complementary

#4F91CF #CF4F51 #CFCD4F

monochromatic

#235381 #3072B1 #4F91CF #7FAFDC #AFCDE9

Accessibility & contrast

On white

3.34

#4F91CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.28

#4F91CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F91CF

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F91CF	#FFFFFF	#000000	##000000
##4F91CF	1.00	3.34	6.28	6.28
#FFFFFF	3.34	1.00	21.00	21.00
#000000	6.28	21.00	1.00	1.00
##000000	6.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7693D2

Deuteranopia (green-blind)

#6587CE

Tritanopia (blue-blind)

#00A0A7

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #4f91cf;
/* rgb */ color: rgb(79, 145, 207);
/* oklch */ color: oklch(64.0% 0.116 248.7);

Tailwind

colors: {
  custom: {
    50: '#8bb1de',
    500: '#4f91cf',
    950: '#000000',
  },
}

SCSS

$custom: #4f91cf;
$custom-light: #8bb1de;
$custom-dark: #000000;

JSON

{
  "hex": "#4f91cf",
  "rgb": {
    "r": 79,
    "g": 145,
    "b": 207
  },
  "hsl": {
    "h": 209.063,
    "s": 57.143,
    "l": 56.078
  },
  "oklch": {
    "l": 0.64003,
    "c": 0.11555,
    "h": 248.7
  },
  "luminance": 0.26418
}

Semantic roles & 50–950 ramp

primary

#4F91CF

secondary

#D7BCA2

accent

#9247E0

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #4F91CF

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

Preview Lab → · Contrast checker → · Palette generator →