#488BEF#488BEF

#488BEF is a light, vivid blue. Relative luminance 0.261; OKLCH L 64.2% C 0.165 H 258.4°. Best body text is #000000 at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#488BEF
RGB	rgb(72, 139, 239)
HSL	hsl(216, 84%, 61%)
HSV	hsv(216, 70%, 94%)
CMYK	cmyk(69.9%, 41.8%, 0%, 6.3%)
CIE-LAB	lab(58.11, 11.20, -56.55)
CIE-LCH	lch(58.11, 57.65, 281.20°)
OKLab	oklab(64.21% -0.0333 -0.1616)
OKLCH	oklch(64.21% 0.165 258.4)
XYZ	xyz(27.4794, 26.0720, 85.2288)
Luminance	0.2607 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#488BEF #EFAC48

analogous

#48DFEF #488BEF #5848EF

triadic

#488BEF #EF488B #8BEF48

tetradic

#488BEF #EF48DF #EFAC48 #48EF58

square

#488BEF #EF48DF #EFAC48 #48EF58

split-complementary

#488BEF #EF5848 #DFEF48

monochromatic

#0F4FAD #1468E6 #488BEF #80AFF4 #B9D2F9

Accessibility & contrast

On white

3.38

#488BEF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.21

#488BEF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #488BEF

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##488BEF	#FFFFFF	#000000	##000000
##488BEF	1.00	3.38	6.21	6.21
#FFFFFF	3.38	1.00	21.00	21.00
#000000	6.21	21.00	1.00	1.00
##000000	6.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B94F3

Deuteranopia (green-blind)

#3F85ED

Tritanopia (blue-blind)

#00A2B1

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #488bef;
/* rgb */ color: rgb(72, 139, 239);
/* oklch */ color: oklch(64.2% 0.165 258.4);

Tailwind

colors: {
  custom: {
    50: '#8dacf5',
    500: '#488bef',
    950: '#000000',
  },
}

SCSS

$custom: #488bef;
$custom-light: #8dacf5;
$custom-dark: #000000;

JSON

{
  "hex": "#488bef",
  "rgb": {
    "r": 72,
    "g": 139,
    "b": 239
  },
  "hsl": {
    "h": 215.928,
    "s": 83.92,
    "l": 60.98
  },
  "oklch": {
    "l": 0.64207,
    "c": 0.16497,
    "h": 258.4
  },
  "luminance": 0.26075
}

Semantic roles & 50–950 ramp

primary

#488BEF

secondary

#E9D0AA

accent

#8805E0

background

#F9FAFF

surface

#F2F4FE

border

#CCCED6

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #488BEF

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

Preview Lab → · Contrast checker → · Palette generator →