#4F8AEB#4F8AEB

#4F8AEB is a light, vivid blue. Relative luminance 0.258; OKLCH L 64.0% C 0.158 H 259.8°. Best body text is #000000 at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#4F8AEB
RGB	rgb(79, 138, 235)
HSL	hsl(217, 80%, 62%)
HSV	hsv(217, 66%, 92%)
CMYK	cmyk(66.4%, 41.3%, 0%, 7.8%)
CIE-LAB	lab(57.88, 11.46, -54.68)
CIE-LCH	lch(57.88, 55.87, 281.84°)
OKLab	oklab(64.04% -0.028 -0.156)
OKLCH	oklch(64.04% 0.158 259.8)
XYZ	xyz(27.3030, 25.8347, 82.1289)
Luminance	0.2584 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F8AEB #EBB04F

analogous

#4FD8EB #4F8AEB #624FEB

triadic

#4F8AEB #EB4F8A #8AEB4F

tetradic

#4F8AEB #EB4FD8 #EBB04F #4FEB62

square

#4F8AEB #EB4FD8 #EBB04F #4FEB62

split-complementary

#4F8AEB #EB624F #D8EB4F

monochromatic

#144DAC #1A66E3 #4F8AEB #86AFF1 #BDD3F7

Accessibility & contrast

On white

3.41

#4F8AEB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.17

#4F8AEB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F8AEB

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F8AEB	#FFFFFF	#000000	##000000
##4F8AEB	1.00	3.41	6.17	6.17
#FFFFFF	3.41	1.00	21.00	21.00
#000000	6.17	21.00	1.00	1.00
##000000	6.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D93EF

Deuteranopia (green-blind)

#4484E9

Tritanopia (blue-blind)

#00A0AF

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #4f8aeb;
/* rgb */ color: rgb(79, 138, 235);
/* oklch */ color: oklch(64.0% 0.158 259.8);

Tailwind

colors: {
  custom: {
    50: '#90abf2',
    500: '#4f8aeb',
    950: '#000000',
  },
}

SCSS

$custom: #4f8aeb;
$custom-light: #90abf2;
$custom-dark: #000000;

JSON

{
  "hex": "#4f8aeb",
  "rgb": {
    "r": 79,
    "g": 138,
    "b": 235
  },
  "hsl": {
    "h": 217.308,
    "s": 79.592,
    "l": 61.569
  },
  "oklch": {
    "l": 0.64036,
    "c": 0.15847,
    "h": 259.8
  },
  "luminance": 0.25837
}

Semantic roles & 50–950 ramp

primary

#4F8AEB

secondary

#E8D2AE

accent

#8C0ADC

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #4F8AEB

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

Preview Lab → · Contrast checker → · Palette generator →