#408CFF#408CFF

#408CFF is a light, vivid blue. Relative luminance 0.271; OKLCH L 65.1% C 0.187 H 258.7°. Best body text is #000000 at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#408CFF
RGB	rgb(64, 140, 255)
HSL	hsl(216, 100%, 63%)
HSV	hsv(216, 75%, 100%)
CMYK	cmyk(74.9%, 45.1%, 0%, 0%)
CIE-LAB	lab(59.03, 15.25, -63.90)
CIE-LCH	lch(59.03, 65.70, 283.42°)
OKLab	oklab(65.15% -0.0365 -0.1833)
OKLCH	oklch(65.15% 0.187 258.7)
XYZ	xyz(29.5358, 27.0628, 98.2554)
Luminance	0.2707 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#408CFF #FFB340

analogous

#40EBFF #408CFF #5440FF

triadic

#408CFF #FF408C #8CFF40

tetradic

#408CFF #FF40EB #FFB340 #40FF54

square

#408CFF #FF40EB #FFB340 #40FF54

split-complementary

#408CFF #FF5440 #EBFF40

monochromatic

#004EC5 #0367FF #408CFF #7DB1FF #BAD6FF

Accessibility & contrast

On white

3.27

#408CFF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.41

#408CFF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #408CFF

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##408CFF	#FFFFFF	#000000	##000000
##408CFF	1.00	3.27	6.41	6.41
#FFFFFF	3.27	1.00	21.00	21.00
#000000	6.41	21.00	1.00	1.00
##000000	6.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F97FF

Deuteranopia (green-blind)

#2386FD

Tritanopia (blue-blind)

#00A7B9

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #408cff;
/* rgb */ color: rgb(64, 140, 255);
/* oklch */ color: oklch(65.1% 0.187 258.7);

Tailwind

colors: {
  custom: {
    50: '#8dacff',
    500: '#408cff',
    950: '#000000',
  },
}

SCSS

$custom: #408cff;
$custom-light: #8dacff;
$custom-dark: #000000;

JSON

{
  "hex": "#408cff",
  "rgb": {
    "r": 64,
    "g": 140,
    "b": 255
  },
  "hsl": {
    "h": 216.126,
    "s": 100,
    "l": 62.549
  },
  "oklch": {
    "l": 0.65146,
    "c": 0.18689,
    "h": 258.7
  },
  "luminance": 0.27066
}

Semantic roles & 50–950 ramp

primary

#408CFF

secondary

#F0D4AB

accent

#8A00E6

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0E1018

muted

#7E7F86

Preview Lab

Preview with #408CFF

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

Preview Lab → · Contrast checker → · Palette generator →