#4F91D8#4F91D8

#4F91D8 is a light, vivid cyan. Relative luminance 0.269; OKLCH L 64.5% C 0.127 H 251.9°. Best body text is #000000 at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#4F91D8
RGB	rgb(79, 145, 216)
HSL	hsl(211, 64%, 58%)
HSV	hsv(211, 63%, 85%)
CMYK	cmyk(63.4%, 32.9%, 0%, 15.3%)
CIE-LAB	lab(58.85, 0.85, -42.55)
CIE-LCH	lch(58.85, 42.56, 271.14°)
OKLab	oklab(64.47% -0.0394 -0.1204)
OKLCH	oklch(64.47% 0.127 251.9)
XYZ	xyz(25.7400, 26.8684, 68.7821)
Luminance	0.2687 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F91D8 #D8964F

analogous

#4FD5D8 #4F91D8 #514FD8

triadic

#4F91D8 #D84F91 #91D84F

tetradic

#4F91D8 #D84FD5 #D8964F #4FD851

square

#4F91D8 #D84FD5 #D8964F #4FD851

split-complementary

#4F91D8 #D8514F #D5D84F

monochromatic

#1F548D #2A72BF #4F91D8 #81B0E3 #B3D0EE

Accessibility & contrast

On white

3.29

#4F91D8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.37

#4F91D8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F91D8

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F91D8	#FFFFFF	#000000	##000000
##4F91D8	1.00	3.29	6.37	6.37
#FFFFFF	3.29	1.00	21.00	21.00
#000000	6.37	21.00	1.00	1.00
##000000	6.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7295DB

Deuteranopia (green-blind)

#6088D7

Tritanopia (blue-blind)

#00A1AB

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #4f91d8;
/* rgb */ color: rgb(79, 145, 216);
/* oklch */ color: oklch(64.5% 0.127 251.9);

Tailwind

colors: {
  custom: {
    50: '#8db0e4',
    500: '#4f91d8',
    950: '#000000',
  },
}

SCSS

$custom: #4f91d8;
$custom-light: #8db0e4;
$custom-dark: #000000;

JSON

{
  "hex": "#4f91d8",
  "rgb": {
    "r": 79,
    "g": 145,
    "b": 216
  },
  "hsl": {
    "h": 211.095,
    "s": 63.721,
    "l": 57.843
  },
  "oklch": {
    "l": 0.64474,
    "c": 0.12668,
    "h": 251.9
  },
  "luminance": 0.26871
}

Semantic roles & 50–950 ramp

primary

#4F91D8

secondary

#DDC2A6

accent

#9741E7

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D1015

muted

#7E7F84

Preview Lab

Preview with #4F91D8

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

Preview Lab → · Contrast checker → · Palette generator →