#4F89E3#4F89E3

#4F89E3 is a light, vivid blue. Relative luminance 0.251; OKLCH L 63.3% C 0.149 H 258.9°. Best body text is #000000 at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#4F89E3
RGB	rgb(79, 137, 227)
HSL	hsl(216, 73%, 60%)
HSV	hsv(216, 65%, 89%)
CMYK	cmyk(65.2%, 39.6%, 0%, 11%)
CIE-LAB	lab(57.17, 9.31, -51.36)
CIE-LCH	lch(57.17, 52.20, 280.28°)
OKLab	oklab(63.34% -0.0287 -0.1462)
OKLCH	oklch(63.34% 0.149 258.9)
XYZ	xyz(26.0303, 25.0971, 76.1306)
Luminance	0.2510 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F89E3 #E3A94F

analogous

#4FD3E3 #4F89E3 #5F4FE3

triadic

#4F89E3 #E34F89 #89E34F

tetradic

#4F89E3 #E34FD3 #E3A94F #4FE35F

square

#4F89E3 #E34FD3 #E3A94F #4FE35F

split-complementary

#4F89E3 #E35F4F #D3E34F

monochromatic

#194D9E #2267D3 #4F89E3 #84ACEB #B9D0F4

Accessibility & contrast

On white

3.49

#4F89E3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.02

#4F89E3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F89E3

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F89E3	#FFFFFF	#000000	##000000
##4F89E3	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)

#6091E7

Deuteranopia (green-blind)

#4A83E1

Tritanopia (blue-blind)

#009EAB

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #4f89e3;
/* rgb */ color: rgb(79, 137, 227);
/* oklch */ color: oklch(63.3% 0.149 258.9);

Tailwind

colors: {
  custom: {
    50: '#8eaaec',
    500: '#4f89e3',
    950: '#000000',
  },
}

SCSS

$custom: #4f89e3;
$custom-light: #8eaaec;
$custom-dark: #000000;

JSON

{
  "hex": "#4f89e3",
  "rgb": {
    "r": 79,
    "g": 137,
    "b": 227
  },
  "hsl": {
    "h": 216.486,
    "s": 72.549,
    "l": 60
  },
  "oklch": {
    "l": 0.63344,
    "c": 0.14904,
    "h": 258.9
  },
  "luminance": 0.251
}

Semantic roles & 50–950 ramp

primary

#4F89E3

secondary

#E3CDAA

accent

#A839EF

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #4F89E3

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

Preview Lab → · Contrast checker → · Palette generator →