#4F8BEB#4F8BEB

#4F8BEB is a light, vivid blue. Relative luminance 0.261; OKLCH L 64.2% C 0.157 H 259.4°. Best body text is #000000 at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#4F8BEB
RGB	rgb(79, 139, 235)
HSL	hsl(217, 80%, 62%)
HSV	hsv(217, 66%, 92%)
CMYK	cmyk(66.4%, 40.9%, 0%, 7.8%)
CIE-LAB	lab(58.15, 10.86, -54.24)
CIE-LCH	lch(58.15, 55.32, 281.32°)
OKLab	oklab(64.25% -0.0289 -0.1547)
OKLCH	oklch(64.25% 0.157 259.4)
XYZ	xyz(27.4471, 26.1229, 82.1769)
Luminance	0.2613 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F8BEB #EBAF4F

analogous

#4FD9EB #4F8BEB #614FEB

triadic

#4F8BEB #EB4F8B #8BEB4F

tetradic

#4F8BEB #EB4FD9 #EBAF4F #4FEB61

square

#4F8BEB #EB4FD9 #EBAF4F #4FEB61

split-complementary

#4F8BEB #EB614F #D9EB4F

monochromatic

#144EAC #1A67E3 #4F8BEB #86AFF1 #BDD3F7

Accessibility & contrast

On white

3.37

#4F8BEB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.23

#4F8BEB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F8BEB

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F8BEB	#FFFFFF	#000000	##000000
##4F8BEB	1.00	3.37	6.23	6.23
#FFFFFF	3.37	1.00	21.00	21.00
#000000	6.23	21.00	1.00	1.00
##000000	6.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F94EF

Deuteranopia (green-blind)

#4685E9

Tritanopia (blue-blind)

#00A1AF

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #4f8beb;
/* rgb */ color: rgb(79, 139, 235);
/* oklch */ color: oklch(64.2% 0.157 259.4);

Tailwind

colors: {
  custom: {
    50: '#90acf2',
    500: '#4f8beb',
    950: '#000000',
  },
}

SCSS

$custom: #4f8beb;
$custom-light: #90acf2;
$custom-dark: #000000;

JSON

{
  "hex": "#4f8beb",
  "rgb": {
    "r": 79,
    "g": 139,
    "b": 235
  },
  "hsl": {
    "h": 216.923,
    "s": 79.592,
    "l": 61.569
  },
  "oklch": {
    "l": 0.64247,
    "c": 0.15737,
    "h": 259.4
  },
  "luminance": 0.26126
}

Semantic roles & 50–950 ramp

primary

#4F8BEB

secondary

#E8D2AE

accent

#8B0ADC

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #4F8BEB

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

Preview Lab → · Contrast checker → · Palette generator →