#4F87E5#4F87E5

#4F87E5 is a light, vivid blue. Relative luminance 0.246; OKLCH L 63.0% C 0.154 H 260.1°. Best body text is #000000 at 5.93:1 contrast (WCAG AA passes).

Color values

HEX	#4F87E5
RGB	rgb(79, 135, 229)
HSL	hsl(218, 74%, 60%)
HSV	hsv(218, 66%, 90%)
CMYK	cmyk(65.5%, 41%, 0%, 10.2%)
CIE-LAB	lab(56.73, 11.20, -53.18)
CIE-LCH	lch(56.73, 54.34, 281.90°)
OKLab	oklab(63.04% -0.0263 -0.1516)
OKLCH	oklch(63.04% 0.154 260.1)
XYZ	xyz(26.0262, 24.6448, 77.4989)
Luminance	0.2465 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F87E5 #E5AD4F

analogous

#4FD2E5 #4F87E5 #624FE5

triadic

#4F87E5 #E54F87 #87E54F

tetradic

#4F87E5 #E54FD2 #E5AD4F #4FE562

square

#4F87E5 #E54FD2 #E5AD4F #4FE562

split-complementary

#4F87E5 #E5624F #D2E54F

monochromatic

#184BA2 #2064D7 #4F87E5 #84ABED #BAD0F5

Accessibility & contrast

On white

3.54

#4F87E5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.93

#4F87E5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F87E5

5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F87E5	#FFFFFF	#000000	##000000
##4F87E5	1.00	3.54	5.93	5.93
#FFFFFF	3.54	1.00	21.00	21.00
#000000	5.93	21.00	1.00	1.00
##000000	5.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C90E9

Deuteranopia (green-blind)

#4482E3

Tritanopia (blue-blind)

#009DAB

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #4f87e5;
/* rgb */ color: rgb(79, 135, 229);
/* oklch */ color: oklch(63.0% 0.154 260.1);

Tailwind

colors: {
  custom: {
    50: '#8fa9ee',
    500: '#4f87e5',
    950: '#000000',
  },
}

SCSS

$custom: #4f87e5;
$custom-light: #8fa9ee;
$custom-dark: #000000;

JSON

{
  "hex": "#4f87e5",
  "rgb": {
    "r": 79,
    "g": 135,
    "b": 229
  },
  "hsl": {
    "h": 217.6,
    "s": 74.257,
    "l": 60.392
  },
  "oklch": {
    "l": 0.63037,
    "c": 0.15389,
    "h": 260.1
  },
  "luminance": 0.24647
}

Semantic roles & 50–950 ramp

primary

#4F87E5

secondary

#E5CFAB

accent

#8C0FD6

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E0F16

muted

#7E7F84

Preview Lab

Preview with #4F87E5

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

Preview Lab → · Contrast checker → · Palette generator →