#4F87E0#4F87E0

#4F87E0 is a light, vivid blue. Relative luminance 0.244; OKLCH L 62.7% C 0.147 H 259.3°. Best body text is #000000 at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#4F87E0
RGB	rgb(79, 135, 224)
HSL	hsl(217, 70%, 59%)
HSV	hsv(217, 65%, 88%)
CMYK	cmyk(64.7%, 39.7%, 0%, 12.2%)
CIE-LAB	lab(56.46, 9.49, -50.82)
CIE-LCH	lch(56.46, 51.70, 280.57°)
OKLab	oklab(62.74% -0.0274 -0.1447)
OKLCH	oklch(62.74% 0.147 259.3)
XYZ	xyz(25.3382, 24.3696, 73.8750)
Luminance	0.2437 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F87E0 #E0A84F

analogous

#4FCFE0 #4F87E0 #604FE0

triadic

#4F87E0 #E04F87 #87E04F

tetradic

#4F87E0 #E04FCF #E0A84F #4FE060

square

#4F87E0 #E04FCF #E0A84F #4FE060

split-complementary

#4F87E0 #E0604F #CFE04F

monochromatic

#1B4C9A #2466CE #4F87E0 #83AAE9 #B7CEF2

Accessibility & contrast

On white

3.57

#4F87E0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.87

#4F87E0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F87E0

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F87E0	#FFFFFF	#000000	##000000
##4F87E0	1.00	3.57	5.87	5.87
#FFFFFF	3.57	1.00	21.00	21.00
#000000	5.87	21.00	1.00	1.00
##000000	5.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F8FE4

Deuteranopia (green-blind)

#4981DE

Tritanopia (blue-blind)

#009BA9

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #4f87e0;
/* rgb */ color: rgb(79, 135, 224);
/* oklch */ color: oklch(62.7% 0.147 259.3);

Tailwind

colors: {
  custom: {
    50: '#8ea9ea',
    500: '#4f87e0',
    950: '#000000',
  },
}

SCSS

$custom: #4f87e0;
$custom-light: #8ea9ea;
$custom-dark: #000000;

JSON

{
  "hex": "#4f87e0",
  "rgb": {
    "r": 79,
    "g": 135,
    "b": 224
  },
  "hsl": {
    "h": 216.828,
    "s": 70.048,
    "l": 59.412
  },
  "oklch": {
    "l": 0.62738,
    "c": 0.14726,
    "h": 259.3
  },
  "luminance": 0.24372
}

Semantic roles & 50–950 ramp

primary

#4F87E0

secondary

#E2CCA9

accent

#A83BED

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4F87E0

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

Preview Lab → · Contrast checker → · Palette generator →