#4F89E4#4F89E4

#4F89E4 is a light, vivid blue. Relative luminance 0.252; OKLCH L 63.4% C 0.150 H 259.1°. Best body text is #000000 at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#4F89E4
RGB	rgb(79, 137, 228)
HSL	hsl(217, 73%, 60%)
HSV	hsv(217, 65%, 89%)
CMYK	cmyk(65.4%, 39.9%, 0%, 10.6%)
CIE-LAB	lab(57.22, 9.66, -51.83)
CIE-LCH	lch(57.22, 52.72, 280.55°)
OKLab	oklab(63.4% -0.0285 -0.1476)
OKLCH	oklch(63.4% 0.15 259.1)
XYZ	xyz(26.1687, 25.1525, 76.8596)
Luminance	0.2515 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F89E4 #E4AA4F

analogous

#4FD4E4 #4F89E4 #5F4FE4

triadic

#4F89E4 #E44F89 #89E44F

tetradic

#4F89E4 #E44FD4 #E4AA4F #4FE45F

square

#4F89E4 #E44FD4 #E4AA4F #4FE45F

split-complementary

#4F89E4 #E45F4F #D4E44F

monochromatic

#194DA0 #2167D5 #4F89E4 #84ADEC #B9D0F4

Accessibility & contrast

On white

3.48

#4F89E4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.03

#4F89E4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F89E4

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F89E4	#FFFFFF	#000000	##000000
##4F89E4	1.00	3.48	6.03	6.03
#FFFFFF	3.48	1.00	21.00	21.00
#000000	6.03	21.00	1.00	1.00
##000000	6.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6091E8

Deuteranopia (green-blind)

#4983E2

Tritanopia (blue-blind)

#009EAB

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #4f89e4;
/* rgb */ color: rgb(79, 137, 228);
/* oklch */ color: oklch(63.4% 0.150 259.1);

Tailwind

colors: {
  custom: {
    50: '#8faaed',
    500: '#4f89e4',
    950: '#000000',
  },
}

SCSS

$custom: #4f89e4;
$custom-light: #8faaed;
$custom-dark: #000000;

JSON

{
  "hex": "#4f89e4",
  "rgb": {
    "r": 79,
    "g": 137,
    "b": 228
  },
  "hsl": {
    "h": 216.644,
    "s": 73.399,
    "l": 60.196
  },
  "oklch": {
    "l": 0.63404,
    "c": 0.15036,
    "h": 259.1
  },
  "luminance": 0.25155
}

Semantic roles & 50–950 ramp

primary

#4F89E4

secondary

#E4CEAB

accent

#8910D6

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #4F89E4

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

Preview Lab → · Contrast checker → · Palette generator →