#4F8BE3#4F8BE3

#4F8BE3 is a light, vivid blue. Relative luminance 0.257; OKLCH L 63.8% C 0.147 H 258.0°. Best body text is #000000 at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#4F8BE3
RGB	rgb(79, 139, 227)
HSL	hsl(216, 73%, 60%)
HSV	hsv(216, 65%, 89%)
CMYK	cmyk(65.2%, 38.8%, 0%, 11%)
CIE-LAB	lab(57.72, 8.12, -50.48)
CIE-LCH	lch(57.72, 51.13, 279.13°)
OKLab	oklab(63.77% -0.0306 -0.1436)
OKLCH	oklch(63.77% 0.147 258)
XYZ	xyz(26.3172, 25.6710, 76.2262)
Luminance	0.2567 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F8BE3 #E3A74F

analogous

#4FD5E3 #4F8BE3 #5D4FE3

triadic

#4F8BE3 #E34F8B #8BE34F

tetradic

#4F8BE3 #E34FD5 #E3A74F #4FE35D

square

#4F8BE3 #E34FD5 #E3A74F #4FE35D

split-complementary

#4F8BE3 #E35D4F #D5E34F

monochromatic

#194F9E #226AD3 #4F8BE3 #84AEEB #B9D1F4

Accessibility & contrast

On white

3.42

#4F8BE3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.13

#4F8BE3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F8BE3

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F8BE3	#FFFFFF	#000000	##000000
##4F8BE3	1.00	3.42	6.13	6.13
#FFFFFF	3.42	1.00	21.00	21.00
#000000	6.13	21.00	1.00	1.00
##000000	6.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6492E7

Deuteranopia (green-blind)

#4E84E1

Tritanopia (blue-blind)

#009FAC

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #4f8be3;
/* rgb */ color: rgb(79, 139, 227);
/* oklch */ color: oklch(63.8% 0.147 258.0);

Tailwind

colors: {
  custom: {
    50: '#8eacec',
    500: '#4f8be3',
    950: '#000000',
  },
}

SCSS

$custom: #4f8be3;
$custom-light: #8eacec;
$custom-dark: #000000;

JSON

{
  "hex": "#4f8be3",
  "rgb": {
    "r": 79,
    "g": 139,
    "b": 227
  },
  "hsl": {
    "h": 215.676,
    "s": 72.549,
    "l": 60
  },
  "oklch": {
    "l": 0.63774,
    "c": 0.14688,
    "h": 258
  },
  "luminance": 0.25674
}

Semantic roles & 50–950 ramp

primary

#4F8BE3

secondary

#E3CCAA

accent

#A539EF

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #4F8BE3

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

Preview Lab → · Contrast checker → · Palette generator →