#408AFF#408AFF

#408AFF is a light, vivid blue. Relative luminance 0.265; OKLCH L 64.7% C 0.189 H 259.3°. Best body text is #000000 at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#408AFF
RGB	rgb(64, 138, 255)
HSL	hsl(217, 100%, 63%)
HSV	hsv(217, 75%, 100%)
CMYK	cmyk(74.9%, 45.9%, 0%, 0%)
CIE-LAB	lab(58.49, 16.47, -64.77)
CIE-LCH	lch(58.49, 66.83, 284.26°)
OKLab	oklab(64.73% -0.035 -0.1859)
OKLCH	oklch(64.73% 0.189 259.3)
XYZ	xyz(29.2463, 26.4836, 98.1588)
Luminance	0.2649 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#408AFF #FFB540

analogous

#40E9FF #408AFF #5640FF

triadic

#408AFF #FF408A #8AFF40

tetradic

#408AFF #FF40E9 #FFB540 #40FF56

square

#408AFF #FF40E9 #FFB540 #40FF56

split-complementary

#408AFF #FF5640 #E9FF40

monochromatic

#004CC5 #0365FF #408AFF #7DAFFF #BAD5FF

Accessibility & contrast

On white

3.33

#408AFF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.30

#408AFF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #408AFF

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##408AFF	#FFFFFF	#000000	##000000
##408AFF	1.00	3.33	6.30	6.30
#FFFFFF	3.33	1.00	21.00	21.00
#000000	6.30	21.00	1.00	1.00
##000000	6.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B96FF

Deuteranopia (green-blind)

#1985FD

Tritanopia (blue-blind)

#00A6B8

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #408aff;
/* rgb */ color: rgb(64, 138, 255);
/* oklch */ color: oklch(64.7% 0.189 259.3);

Tailwind

colors: {
  custom: {
    50: '#8dabff',
    500: '#408aff',
    950: '#000000',
  },
}

SCSS

$custom: #408aff;
$custom-light: #8dabff;
$custom-dark: #000000;

JSON

{
  "hex": "#408aff",
  "rgb": {
    "r": 64,
    "g": 138,
    "b": 255
  },
  "hsl": {
    "h": 216.754,
    "s": 100,
    "l": 62.549
  },
  "oklch": {
    "l": 0.64731,
    "c": 0.18912,
    "h": 259.3
  },
  "luminance": 0.26487
}

Semantic roles & 50–950 ramp

primary

#408AFF

secondary

#F0D5AB

accent

#8D00E6

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0E1018

muted

#7E7F86

Preview Lab

Preview with #408AFF

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

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