#488CFB#488CFB

#488CFB is a light, vivid blue. Relative luminance 0.271; OKLCH L 65.2% C 0.179 H 259.7°. Best body text is #000000 at 6.42:1 contrast (WCAG AA passes).

Color values

HEX	#488CFB
RGB	rgb(72, 140, 251)
HSL	hsl(217, 96%, 63%)
HSV	hsv(217, 71%, 98%)
CMYK	cmyk(71.3%, 44.2%, 0%, 1.6%)
CIE-LAB	lab(59.06, 14.82, -61.64)
CIE-LCH	lch(59.06, 63.40, 283.52°)
OKLab	oklab(65.17% -0.032 -0.1765)
OKLCH	oklch(65.17% 0.179 259.7)
XYZ	xyz(29.4569, 27.0957, 94.9256)
Luminance	0.2710 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#488CFB #FBB748

analogous

#48E5FB #488CFB #5D48FB

triadic

#488CFB #FB488C #8CFB48

tetradic

#488CFB #FB48E5 #FBB748 #48FB5D

square

#488CFB #FB48E5 #FBB748 #48FB5D

split-complementary

#488CFB #FB5D48 #E5FB48

monochromatic

#044DC4 #0C66FA #488CFB #84B2FC #C0D7FE

Accessibility & contrast

On white

3.27

#488CFB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.42

#488CFB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #488CFB

6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##488CFB	#FFFFFF	#000000	##000000
##488CFB	1.00	3.27	6.42	6.42
#FFFFFF	3.27	1.00	21.00	21.00
#000000	6.42	21.00	1.00	1.00
##000000	6.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5497FF

Deuteranopia (green-blind)

#3086F9

Tritanopia (blue-blind)

#00A6B7

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #488cfb;
/* rgb */ color: rgb(72, 140, 251);
/* oklch */ color: oklch(65.2% 0.179 259.7);

Tailwind

colors: {
  custom: {
    50: '#90adfd',
    500: '#488cfb',
    950: '#000000',
  },
}

SCSS

$custom: #488cfb;
$custom-light: #90adfd;
$custom-dark: #000000;

JSON

{
  "hex": "#488cfb",
  "rgb": {
    "r": 72,
    "g": 140,
    "b": 251
  },
  "hsl": {
    "h": 217.207,
    "s": 95.722,
    "l": 63.333
  },
  "oklch": {
    "l": 0.65169,
    "c": 0.17939,
    "h": 259.7
  },
  "luminance": 0.27099
}

Semantic roles & 50–950 ramp

primary

#488CFB

secondary

#EFD7B0

accent

#8E00E6

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0E1018

muted

#7E7F86

Preview Lab

Preview with #488CFB

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

Preview Lab → · Contrast checker → · Palette generator →