#408DE3#408DE3

#408DE3 is a light, vivid cyan. Relative luminance 0.257; OKLCH L 63.6% C 0.150 H 253.3°. Best body text is #000000 at 6.14:1 contrast (WCAG AA passes).

Color values

HEX	#408DE3
RGB	rgb(64, 141, 227)
HSL	hsl(212, 74%, 57%)
HSV	hsv(212, 72%, 89%)
CMYK	cmyk(71.8%, 37.9%, 0%, 11%)
CIE-LAB	lab(57.73, 4.65, -50.49)
CIE-LCH	lch(57.73, 50.71, 275.27°)
OKLab	oklab(63.63% -0.043 -0.1439)
OKLCH	oklch(63.63% 0.15 253.3)
XYZ	xyz(25.4992, 25.6830, 76.2716)
Luminance	0.2569 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#408DE3 #E39640

analogous

#40DFE3 #408DE3 #4440E3

triadic

#408DE3 #E3408D #8DE340

tetradic

#408DE3 #E340DF #E39640 #40E344

square

#408DE3 #E340DF #E39640 #40E344

split-complementary

#408DE3 #E34440 #DFE340

monochromatic

#165193 #1D6EC8 #408DE3 #75ADEB #ABCDF3

Accessibility & contrast

On white

3.42

#408DE3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.14

#408DE3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #408DE3

6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##408DE3	#FFFFFF	#000000	##000000
##408DE3	1.00	3.42	6.14	6.14
#FFFFFF	3.42	1.00	21.00	21.00
#000000	6.14	21.00	1.00	1.00
##000000	6.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6593E6

Deuteranopia (green-blind)

#4C84E1

Tritanopia (blue-blind)

#00A1AD

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #408de3;
/* rgb */ color: rgb(64, 141, 227);
/* oklch */ color: oklch(63.6% 0.150 253.3);

Tailwind

colors: {
  custom: {
    50: '#88adec',
    500: '#408de3',
    950: '#000000',
  },
}

SCSS

$custom: #408de3;
$custom-light: #88adec;
$custom-dark: #000000;

JSON

{
  "hex": "#408de3",
  "rgb": {
    "r": 64,
    "g": 141,
    "b": 227
  },
  "hsl": {
    "h": 211.656,
    "s": 74.429,
    "l": 57.059
  },
  "oklch": {
    "l": 0.63631,
    "c": 0.15017,
    "h": 253.3
  },
  "luminance": 0.25686
}

Semantic roles & 50–950 ramp

primary

#408DE3

secondary

#E1C19E

accent

#9937F1

background

#F9FAFE

surface

#F1F4FD

border

#CBCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #408DE3

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

Preview Lab → · Contrast checker → · Palette generator →