#4F91D9#4F91D9

#4F91D9 is a light, vivid cyan. Relative luminance 0.269; OKLCH L 64.5% C 0.128 H 252.2°. Best body text is #000000 at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#4F91D9
RGB	rgb(79, 145, 217)
HSL	hsl(211, 64%, 58%)
HSV	hsv(211, 64%, 85%)
CMYK	cmyk(63.6%, 33.2%, 0%, 14.9%)
CIE-LAB	lab(58.90, 1.18, -43.03)
CIE-LCH	lch(58.90, 43.05, 271.58°)
OKLab	oklab(64.53% -0.0391 -0.1218)
OKLCH	oklch(64.53% 0.128 252.2)
XYZ	xyz(25.8697, 26.9203, 69.4650)
Luminance	0.2692 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F91D9 #D9974F

analogous

#4FD6D9 #4F91D9 #524FD9

triadic

#4F91D9 #D94F91 #91D94F

tetradic

#4F91D9 #D94FD6 #D9974F #4FD952

square

#4F91D9 #D94FD6 #D9974F #4FD952

split-complementary

#4F91D9 #D9524F #D6D94F

monochromatic

#1F548F #2A72C1 #4F91D9 #81B0E4 #B4D0EF

Accessibility & contrast

On white

3.29

#4F91D9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.38

#4F91D9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F91D9

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F91D9	#FFFFFF	#000000	##000000
##4F91D9	1.00	3.29	6.38	6.38
#FFFFFF	3.29	1.00	21.00	21.00
#000000	6.38	21.00	1.00	1.00
##000000	6.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7295DC

Deuteranopia (green-blind)

#5F88D8

Tritanopia (blue-blind)

#00A2AB

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #4f91d9;
/* rgb */ color: rgb(79, 145, 217);
/* oklch */ color: oklch(64.5% 0.128 252.2);

Tailwind

colors: {
  custom: {
    50: '#8db0e5',
    500: '#4f91d9',
    950: '#000000',
  },
}

SCSS

$custom: #4f91d9;
$custom-light: #8db0e5;
$custom-dark: #000000;

JSON

{
  "hex": "#4f91d9",
  "rgb": {
    "r": 79,
    "g": 145,
    "b": 217
  },
  "hsl": {
    "h": 211.304,
    "s": 64.486,
    "l": 58.039
  },
  "oklch": {
    "l": 0.64527,
    "c": 0.12794,
    "h": 252.2
  },
  "luminance": 0.26923
}

Semantic roles & 50–950 ramp

primary

#4F91D9

secondary

#DDC3A6

accent

#9840E7

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #4F91D9

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

Preview Lab → · Contrast checker → · Palette generator →