#4F8AEF#4F8AEF

#4F8AEF is a light, vivid blue. Relative luminance 0.261; OKLCH L 64.3% C 0.164 H 260.4°. Best body text is #000000 at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#4F8AEF
RGB	rgb(79, 138, 239)
HSL	hsl(218, 83%, 62%)
HSV	hsv(218, 67%, 94%)
CMYK	cmyk(66.9%, 42.3%, 0%, 6.3%)
CIE-LAB	lab(58.10, 12.84, -56.54)
CIE-LCH	lch(58.10, 57.98, 282.80°)
OKLab	oklab(64.28% -0.0272 -0.1614)
OKLCH	oklch(64.28% 0.164 260.4)
XYZ	xyz(27.8874, 26.0684, 85.2066)
Luminance	0.2607 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F8AEF #EFB44F

analogous

#4FDAEF #4F8AEF #644FEF

triadic

#4F8AEF #EF4F8A #8AEF4F

tetradic

#4F8AEF #EF4FDA #EFB44F #4FEF64

square

#4F8AEF #EF4FDA #EFB44F #4FEF64

split-complementary

#4F8AEF #EF644F #DAEF4F

monochromatic

#104CB3 #1765EA #4F8AEF #87AFF4 #BFD5F9

Accessibility & contrast

On white

3.38

#4F8AEF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.21

#4F8AEF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F8AEF

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F8AEF	#FFFFFF	#000000	##000000
##4F8AEF	1.00	3.38	6.21	6.21
#FFFFFF	3.38	1.00	21.00	21.00
#000000	6.21	21.00	1.00	1.00
##000000	6.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A94F3

Deuteranopia (green-blind)

#4085ED

Tritanopia (blue-blind)

#00A1B1

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #4f8aef;
/* rgb */ color: rgb(79, 138, 239);
/* oklch */ color: oklch(64.3% 0.164 260.4);

Tailwind

colors: {
  custom: {
    50: '#90abf5',
    500: '#4f8aef',
    950: '#000000',
  },
}

SCSS

$custom: #4f8aef;
$custom-light: #90abf5;
$custom-dark: #000000;

JSON

{
  "hex": "#4f8aef",
  "rgb": {
    "r": 79,
    "g": 138,
    "b": 239
  },
  "hsl": {
    "h": 217.875,
    "s": 83.333,
    "l": 62.353
  },
  "oklch": {
    "l": 0.64279,
    "c": 0.16373,
    "h": 260.4
  },
  "luminance": 0.26071
}

Semantic roles & 50–950 ramp

primary

#4F8AEF

secondary

#EAD5B0

accent

#8F06E0

background

#F9FAFF

surface

#F2F4FE

border

#CCCED6

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #4F8AEF

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

Preview Lab → · Contrast checker → · Palette generator →