#408CDF#408CDF

#408CDF is a light, vivid cyan. Relative luminance 0.252; OKLCH L 63.2% C 0.146 H 252.9°. Best body text is #000000 at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#408CDF
RGB	rgb(64, 140, 223)
HSL	hsl(211, 71%, 56%)
HSV	hsv(211, 71%, 87%)
CMYK	cmyk(71.3%, 37.2%, 0%, 12.5%)
CIE-LAB	lab(57.24, 3.83, -49.05)
CIE-LCH	lch(57.24, 49.19, 274.47°)
OKLab	oklab(63.18% -0.0431 -0.1396)
OKLCH	oklch(63.18% 0.146 252.9)
XYZ	xyz(24.8068, 25.1711, 73.3489)
Luminance	0.2517 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#408CDF #DF9340

analogous

#40DBDF #408CDF #4440DF

triadic

#408CDF #DF408C #8CDF40

tetradic

#408CDF #DF40DB #DF9340 #40DF44

square

#408CDF #DF40DB #DF9340 #40DF44

split-complementary

#408CDF #DF4440 #DBDF40

monochromatic

#18508D #206DC1 #408CDF #74ACE8 #A9CBF1

Accessibility & contrast

On white

3.48

#408CDF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.03

#408CDF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #408CDF

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##408CDF	#FFFFFF	#000000	##000000
##408CDF	1.00	3.48	6.03	6.03
#FFFFFF	3.48	1.00	21.00	21.00
#000000	6.03	21.00	1.00	1.00
##000000	6.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6691E2

Deuteranopia (green-blind)

#4E83DD

Tritanopia (blue-blind)

#009FAB

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #408cdf;
/* rgb */ color: rgb(64, 140, 223);
/* oklch */ color: oklch(63.2% 0.146 252.9);

Tailwind

colors: {
  custom: {
    50: '#87ade9',
    500: '#408cdf',
    950: '#000000',
  },
}

SCSS

$custom: #408cdf;
$custom-light: #87ade9;
$custom-dark: #000000;

JSON

{
  "hex": "#408cdf",
  "rgb": {
    "r": 64,
    "g": 140,
    "b": 223
  },
  "hsl": {
    "h": 211.321,
    "s": 71.3,
    "l": 56.275
  },
  "oklch": {
    "l": 0.63177,
    "c": 0.14613,
    "h": 252.9
  },
  "luminance": 0.25174
}

Semantic roles & 50–950 ramp

primary

#408CDF

secondary

#DEBF9D

accent

#983AEE

background

#F9FAFE

surface

#F1F4FD

border

#CBCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #408CDF

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

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