#4F8FF1#4F8FF1

#4F8FF1 is a light, vivid blue. Relative luminance 0.277; OKLCH L 65.5% C 0.161 H 258.7°. Best body text is #000000 at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#4F8FF1
RGB	rgb(79, 143, 241)
HSL	hsl(216, 85%, 63%)
HSV	hsv(216, 67%, 95%)
CMYK	cmyk(67.2%, 40.7%, 0%, 5.5%)
CIE-LAB	lab(59.58, 10.53, -55.30)
CIE-LCH	lch(59.58, 56.29, 280.78°)
OKLab	oklab(65.46% -0.0315 -0.1577)
OKLCH	oklch(65.46% 0.161 258.7)
XYZ	xyz(28.9184, 27.6551, 87.0160)
Luminance	0.2766 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F8FF1 #F1B14F

analogous

#4FE0F1 #4F8FF1 #604FF1

triadic

#4F8FF1 #F14F8F #8FF14F

tetradic

#4F8FF1 #F14FE0 #F1B14F #4FF160

square

#4F8FF1 #F14FE0 #F1B14F #4FF160

split-complementary

#4F8FF1 #F1604F #E0F14F

monochromatic

#0F51B7 #166BEC #4F8FF1 #88B3F6 #C0D7FA

Accessibility & contrast

On white

3.22

#4F8FF1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.53

#4F8FF1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F8FF1

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F8FF1	#FFFFFF	#000000	##000000
##4F8FF1	1.00	3.22	6.53	6.53
#FFFFFF	3.22	1.00	21.00	21.00
#000000	6.53	21.00	1.00	1.00
##000000	6.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6198F5

Deuteranopia (green-blind)

#4889EF

Tritanopia (blue-blind)

#00A6B4

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #4f8ff1;
/* rgb */ color: rgb(79, 143, 241);
/* oklch */ color: oklch(65.5% 0.161 258.7);

Tailwind

colors: {
  custom: {
    50: '#91aff6',
    500: '#4f8ff1',
    950: '#000000',
  },
}

SCSS

$custom: #4f8ff1;
$custom-light: #91aff6;
$custom-dark: #000000;

JSON

{
  "hex": "#4f8ff1",
  "rgb": {
    "r": 79,
    "g": 143,
    "b": 241
  },
  "hsl": {
    "h": 216.296,
    "s": 85.263,
    "l": 62.745
  },
  "oklch": {
    "l": 0.65456,
    "c": 0.16083,
    "h": 258.7
  },
  "luminance": 0.27658
}

Semantic roles & 50–950 ramp

primary

#4F8FF1

secondary

#EBD4B1

accent

#8A04E2

background

#F9FAFF

surface

#F2F4FE

border

#CCCED6

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #4F8FF1

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

Preview Lab → · Contrast checker → · Palette generator →