#488EFB#488EFB

#488EFB is a light, vivid blue. Relative luminance 0.277; OKLCH L 65.6% C 0.177 H 259.0°. Best body text is #000000 at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#488EFB
RGB	rgb(72, 142, 251)
HSL	hsl(217, 96%, 63%)
HSV	hsv(217, 71%, 98%)
CMYK	cmyk(71.3%, 43.4%, 0%, 1.6%)
CIE-LAB	lab(59.60, 13.61, -60.78)
CIE-LCH	lch(59.60, 62.28, 282.63°)
OKLab	oklab(65.59% -0.0337 -0.1739)
OKLCH	oklch(65.59% 0.177 259)
XYZ	xyz(29.7518, 27.6855, 95.0239)
Luminance	0.2769 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#488EFB #FBB548

analogous

#48E8FB #488EFB #5B48FB

triadic

#488EFB #FB488E #8EFB48

tetradic

#488EFB #FB48E8 #FBB548 #48FB5B

square

#488EFB #FB48E8 #FBB548 #48FB5B

split-complementary

#488EFB #FB5B48 #E8FB48

monochromatic

#044FC4 #0C69FA #488EFB #84B3FC #C0D8FE

Accessibility & contrast

On white

3.21

#488EFB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.54

#488EFB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #488EFB

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##488EFB	#FFFFFF	#000000	##000000
##488EFB	1.00	3.21	6.54	6.54
#FFFFFF	3.21	1.00	21.00	21.00
#000000	6.54	21.00	1.00	1.00
##000000	6.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5898FF

Deuteranopia (green-blind)

#3688F9

Tritanopia (blue-blind)

#00A8B8

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #488efb;
/* rgb */ color: rgb(72, 142, 251);
/* oklch */ color: oklch(65.6% 0.177 259.0);

Tailwind

colors: {
  custom: {
    50: '#8faefd',
    500: '#488efb',
    950: '#000000',
  },
}

SCSS

$custom: #488efb;
$custom-light: #8faefd;
$custom-dark: #000000;

JSON

{
  "hex": "#488efb",
  "rgb": {
    "r": 72,
    "g": 142,
    "b": 251
  },
  "hsl": {
    "h": 216.536,
    "s": 95.722,
    "l": 63.333
  },
  "oklch": {
    "l": 0.65586,
    "c": 0.17717,
    "h": 259
  },
  "luminance": 0.27689
}

Semantic roles & 50–950 ramp

primary

#488EFB

secondary

#EFD6B0

accent

#8C00E6

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0E1018

muted

#7E7F86

Preview Lab

Preview with #488EFB

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

Preview Lab → · Contrast checker → · Palette generator →