#4F87ED#4F87ED

#4F87ED is a light, vivid blue. Relative luminance 0.251; OKLCH L 63.5% C 0.164 H 261.3°. Best body text is #000000 at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#4F87ED
RGB	rgb(79, 135, 237)
HSL	hsl(219, 81%, 62%)
HSV	hsv(219, 67%, 93%)
CMYK	cmyk(66.7%, 43%, 0%, 7.1%)
CIE-LAB	lab(57.17, 13.96, -56.91)
CIE-LCH	lch(57.17, 58.60, 283.78°)
OKLab	oklab(63.53% -0.0248 -0.1626)
OKLCH	oklch(63.53% 0.164 261.3)
XYZ	xyz(27.1691, 25.1019, 83.5177)
Luminance	0.2510 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F87ED #EDB54F

analogous

#4FD6ED #4F87ED #664FED

triadic

#4F87ED #ED4F87 #87ED4F

tetradic

#4F87ED #ED4FD6 #EDB54F #4FED66

square

#4F87ED #ED4FD6 #EDB54F #4FED66

split-complementary

#4F87ED #ED664F #D6ED4F

monochromatic

#124AB0 #1861E7 #4F87ED #87ADF3 #BED3F8

Accessibility & contrast

On white

3.49

#4F87ED on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.02

#4F87ED on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F87ED

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F87ED	#FFFFFF	#000000	##000000
##4F87ED	1.00	3.49	6.02	6.02
#FFFFFF	3.49	1.00	21.00	21.00
#000000	6.02	21.00	1.00	1.00
##000000	6.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5691F1

Deuteranopia (green-blind)

#3B82EB

Tritanopia (blue-blind)

#009FAE

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #4f87ed;
/* rgb */ color: rgb(79, 135, 237);
/* oklch */ color: oklch(63.5% 0.164 261.3);

Tailwind

colors: {
  custom: {
    50: '#90a9f3',
    500: '#4f87ed',
    950: '#000000',
  },
}

SCSS

$custom: #4f87ed;
$custom-light: #90a9f3;
$custom-dark: #000000;

JSON

{
  "hex": "#4f87ed",
  "rgb": {
    "r": 79,
    "g": 135,
    "b": 237
  },
  "hsl": {
    "h": 218.734,
    "s": 81.443,
    "l": 61.961
  },
  "oklch": {
    "l": 0.63527,
    "c": 0.16447,
    "h": 261.3
  },
  "luminance": 0.25105
}

Semantic roles & 50–950 ramp

primary

#4F87ED

secondary

#E9D4AF

accent

#9208DE

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #4F87ED

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

Preview Lab → · Contrast checker → · Palette generator →