#488BFB#488BFB

#488BFB is a light, vivid blue. Relative luminance 0.268; OKLCH L 65.0% C 0.181 H 260.1°. Best body text is #000000 at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#488BFB
RGB	rgb(72, 139, 251)
HSL	hsl(218, 96%, 63%)
HSV	hsv(218, 71%, 98%)
CMYK	cmyk(71.3%, 44.6%, 0%, 1.6%)
CIE-LAB	lab(58.79, 15.42, -62.07)
CIE-LCH	lch(58.79, 63.96, 283.95°)
OKLab	oklab(64.96% -0.0311 -0.1778)
OKLCH	oklch(64.96% 0.181 260.1)
XYZ	xyz(29.3114, 26.8048, 94.8772)
Luminance	0.2681 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#488BFB #FBB848

analogous

#48E4FB #488BFB #5E48FB

triadic

#488BFB #FB488B #8BFB48

tetradic

#488BFB #FB48E4 #FBB848 #48FB5E

square

#488BFB #FB48E4 #FBB848 #48FB5E

split-complementary

#488BFB #FB5E48 #E4FB48

monochromatic

#044CC4 #0C65FA #488BFB #84B1FC #C0D7FE

Accessibility & contrast

On white

3.30

#488BFB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.36

#488BFB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #488BFB

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##488BFB	#FFFFFF	#000000	##000000
##488BFB	1.00	3.30	6.36	6.36
#FFFFFF	3.30	1.00	21.00	21.00
#000000	6.36	21.00	1.00	1.00
##000000	6.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5296FF

Deuteranopia (green-blind)

#2D86F9

Tritanopia (blue-blind)

#00A5B7

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #488bfb;
/* rgb */ color: rgb(72, 139, 251);
/* oklch */ color: oklch(65.0% 0.181 260.1);

Tailwind

colors: {
  custom: {
    50: '#90acfd',
    500: '#488bfb',
    950: '#000000',
  },
}

SCSS

$custom: #488bfb;
$custom-light: #90acfd;
$custom-dark: #000000;

JSON

{
  "hex": "#488bfb",
  "rgb": {
    "r": 72,
    "g": 139,
    "b": 251
  },
  "hsl": {
    "h": 217.542,
    "s": 95.722,
    "l": 63.333
  },
  "oklch": {
    "l": 0.64961,
    "c": 0.18051,
    "h": 260.1
  },
  "luminance": 0.26808
}

Semantic roles & 50–950 ramp

primary

#488BFB

secondary

#EFD7B0

accent

#9000E6

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0E1018

muted

#7E7F86

Preview Lab

Preview with #488BFB

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

Preview Lab → · Contrast checker → · Palette generator →