#488DFB#488DFB

#488DFB is a light, vivid blue. Relative luminance 0.274; OKLCH L 65.4% C 0.178 H 259.4°. Best body text is #000000 at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#488DFB
RGB	rgb(72, 141, 251)
HSL	hsl(217, 96%, 63%)
HSV	hsv(217, 71%, 98%)
CMYK	cmyk(71.3%, 43.8%, 0%, 1.6%)
CIE-LAB	lab(59.33, 14.22, -61.21)
CIE-LCH	lch(59.33, 62.84, 283.07°)
OKLab	oklab(65.38% -0.0328 -0.1752)
OKLCH	oklch(65.38% 0.178 259.4)
XYZ	xyz(29.6036, 27.3893, 94.9746)
Luminance	0.2739 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#488DFB #FBB648

analogous

#48E6FB #488DFB #5C48FB

triadic

#488DFB #FB488D #8DFB48

tetradic

#488DFB #FB48E6 #FBB648 #48FB5C

square

#488DFB #FB48E6 #FBB648 #48FB5C

split-complementary

#488DFB #FB5C48 #E6FB48

monochromatic

#044EC4 #0C68FA #488DFB #84B2FC #C0D8FE

Accessibility & contrast

On white

3.24

#488DFB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.48

#488DFB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #488DFB

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##488DFB	#FFFFFF	#000000	##000000
##488DFB	1.00	3.24	6.48	6.48
#FFFFFF	3.24	1.00	21.00	21.00
#000000	6.48	21.00	1.00	1.00
##000000	6.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5698FF

Deuteranopia (green-blind)

#3387F9

Tritanopia (blue-blind)

#00A7B8

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #488dfb;
/* rgb */ color: rgb(72, 141, 251);
/* oklch */ color: oklch(65.4% 0.178 259.4);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#488dfb",
  "rgb": {
    "r": 72,
    "g": 141,
    "b": 251
  },
  "hsl": {
    "h": 216.872,
    "s": 95.722,
    "l": 63.333
  },
  "oklch": {
    "l": 0.65377,
    "c": 0.17828,
    "h": 259.4
  },
  "luminance": 0.27393
}

Semantic roles & 50–950 ramp

primary

#488DFB

secondary

#EFD7B0

accent

#8D00E6

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0E1018

muted

#7E7F86

Preview Lab

Preview with #488DFB

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

Preview Lab → · Contrast checker → · Palette generator →