#488CEF#488CEF

#488CEF is a light, vivid blue. Relative luminance 0.264; OKLCH L 64.4% C 0.164 H 258.0°. Best body text is #000000 at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#488CEF
RGB	rgb(72, 140, 239)
HSL	hsl(216, 84%, 61%)
HSV	hsv(216, 70%, 94%)
CMYK	cmyk(69.9%, 41.4%, 0%, 6.3%)
CIE-LAB	lab(58.38, 10.60, -56.11)
CIE-LCH	lch(58.38, 57.11, 280.69°)
OKLab	oklab(64.42% -0.0342 -0.1603)
OKLCH	oklch(64.42% 0.164 258)
XYZ	xyz(27.6249, 26.3629, 85.2773)
Luminance	0.2637 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#488CEF #EFAB48

analogous

#48DFEF #488CEF #5748EF

triadic

#488CEF #EF488C #8CEF48

tetradic

#488CEF #EF48DF #EFAB48 #48EF57

square

#488CEF #EF48DF #EFAB48 #48EF57

split-complementary

#488CEF #EF5748 #DFEF48

monochromatic

#0F50AD #1469E6 #488CEF #80AFF4 #B9D3F9

Accessibility & contrast

On white

3.35

#488CEF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.27

#488CEF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #488CEF

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##488CEF	#FFFFFF	#000000	##000000
##488CEF	1.00	3.35	6.27	6.27
#FFFFFF	3.35	1.00	21.00	21.00
#000000	6.27	21.00	1.00	1.00
##000000	6.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D95F3

Deuteranopia (green-blind)

#4185ED

Tritanopia (blue-blind)

#00A3B2

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #488cef;
/* rgb */ color: rgb(72, 140, 239);
/* oklch */ color: oklch(64.4% 0.164 258.0);

Tailwind

colors: {
  custom: {
    50: '#8dadf5',
    500: '#488cef',
    950: '#000000',
  },
}

SCSS

$custom: #488cef;
$custom-light: #8dadf5;
$custom-dark: #000000;

JSON

{
  "hex": "#488cef",
  "rgb": {
    "r": 72,
    "g": 140,
    "b": 239
  },
  "hsl": {
    "h": 215.569,
    "s": 83.92,
    "l": 60.98
  },
  "oklch": {
    "l": 0.6442,
    "c": 0.16388,
    "h": 258
  },
  "luminance": 0.26366
}

Semantic roles & 50–950 ramp

primary

#488CEF

secondary

#E9CFAA

accent

#8705E0

background

#F9FAFF

surface

#F2F4FE

border

#CCCED6

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #488CEF

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

Preview Lab → · Contrast checker → · Palette generator →