#4F7BEB#4F7BEB

#4F7BEB is a mid, vivid blue. Relative luminance 0.218; OKLCH L 60.9% C 0.176 H 265.4°. Best body text is #000000 at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#4F7BEB
RGB	rgb(79, 123, 235)
HSL	hsl(223, 80%, 62%)
HSV	hsv(223, 66%, 92%)
CMYK	cmyk(66.4%, 47.7%, 0%, 7.8%)
CIE-LAB	lab(53.84, 20.59, -61.15)
CIE-LCH	lch(53.84, 64.52, 288.61°)
OKLab	oklab(60.93% -0.0141 -0.1752)
OKLCH	oklch(60.93% 0.176 265.4)
XYZ	xyz(25.2976, 21.8239, 81.4604)
Luminance	0.2183 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F7BEB #EBBF4F

analogous

#4FC9EB #4F7BEB #714FEB

triadic

#4F7BEB #EB4F7B #7BEB4F

tetradic

#4F7BEB #EB4FC9 #EBBF4F #4FEB71

square

#4F7BEB #EB4FC9 #EBBF4F #4FEB71

split-complementary

#4F7BEB #EB714F #C9EB4F

monochromatic

#143FAC #1A53E3 #4F7BEB #86A4F1 #BDCDF7

Accessibility & contrast

On white

3.91

#4F7BEB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.37

#4F7BEB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F7BEB

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F7BEB	#FFFFFF	#000000	##000000
##4F7BEB	1.00	3.91	5.37	5.37
#FFFFFF	3.91	1.00	21.00	21.00
#000000	5.37	21.00	1.00	1.00
##000000	5.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F88EF

Deuteranopia (green-blind)

#197AE9

Tritanopia (blue-blind)

#0095A8

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #4f7beb;
/* rgb */ color: rgb(79, 123, 235);
/* oklch */ color: oklch(60.9% 0.176 265.4);

Tailwind

colors: {
  custom: {
    50: '#90a0f2',
    500: '#4f7beb',
    950: '#000000',
  },
}

SCSS

$custom: #4f7beb;
$custom-light: #90a0f2;
$custom-dark: #000000;

JSON

{
  "hex": "#4f7beb",
  "rgb": {
    "r": 79,
    "g": 123,
    "b": 235
  },
  "hsl": {
    "h": 223.077,
    "s": 79.592,
    "l": 61.569
  },
  "oklch": {
    "l": 0.6093,
    "c": 0.17579,
    "h": 265.4
  },
  "luminance": 0.21826
}

Semantic roles & 50–950 ramp

primary

#4F7BEB

secondary

#E8D8AE

accent

#A10ADC

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #4F7BEB

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

Preview Lab → · Contrast checker → · Palette generator →