#408DDF#408DDF

#408DDF is a light, vivid cyan. Relative luminance 0.255; OKLCH L 63.4% C 0.145 H 252.4°. Best body text is #000000 at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#408DDF
RGB	rgb(64, 141, 223)
HSL	hsl(211, 71%, 56%)
HSV	hsv(211, 71%, 87%)
CMYK	cmyk(71.3%, 36.8%, 0%, 12.5%)
CIE-LAB	lab(57.53, 3.24, -48.59)
CIE-LCH	lch(57.53, 48.70, 273.82°)
OKLab	oklab(63.4% -0.044 -0.1383)
OKLCH	oklch(63.4% 0.145 252.4)
XYZ	xyz(24.9536, 25.4647, 73.3978)
Luminance	0.2547 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#408DDF #DF9240

analogous

#40DDDF #408DDF #4340DF

triadic

#408DDF #DF408D #8DDF40

tetradic

#408DDF #DF40DD #DF9240 #40DF43

square

#408DDF #DF40DD #DF9240 #40DF43

split-complementary

#408DDF #DF4340 #DDDF40

monochromatic

#18508D #206EC1 #408DDF #74ACE8 #A9CCF1

Accessibility & contrast

On white

3.45

#408DDF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.09

#408DDF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #408DDF

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##408DDF	#FFFFFF	#000000	##000000
##408DDF	1.00	3.45	6.09	6.09
#FFFFFF	3.45	1.00	21.00	21.00
#000000	6.09	21.00	1.00	1.00
##000000	6.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6792E2

Deuteranopia (green-blind)

#5083DD

Tritanopia (blue-blind)

#00A0AB

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #408ddf;
/* rgb */ color: rgb(64, 141, 223);
/* oklch */ color: oklch(63.4% 0.145 252.4);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#408ddf",
  "rgb": {
    "r": 64,
    "g": 141,
    "b": 223
  },
  "hsl": {
    "h": 210.943,
    "s": 71.3,
    "l": 56.275
  },
  "oklch": {
    "l": 0.63399,
    "c": 0.14514,
    "h": 252.4
  },
  "luminance": 0.25467
}

Semantic roles & 50–950 ramp

primary

#408DDF

secondary

#DEBE9D

accent

#973AEE

background

#F9FAFE

surface

#F1F4FD

border

#CBCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #408DDF

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

Preview Lab → · Contrast checker → · Palette generator →