#408CDD#408CDD

#408CDD is a light, vivid cyan. Relative luminance 0.251; OKLCH L 63.1% C 0.144 H 252.3°. Best body text is #000000 at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#408CDD
RGB	rgb(64, 140, 221)
HSL	hsl(211, 70%, 56%)
HSV	hsv(211, 71%, 87%)
CMYK	cmyk(71%, 36.7%, 0%, 13.3%)
CIE-LAB	lab(57.14, 3.13, -48.09)
CIE-LCH	lch(57.14, 48.19, 273.72°)
OKLab	oklab(63.06% -0.0436 -0.1368)
OKLCH	oklch(63.06% 0.144 252.3)
XYZ	xyz(24.5387, 25.0639, 71.9372)
Luminance	0.2507 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#408CDD #DD9140

analogous

#40DBDD #408CDD #4240DD

triadic

#408CDD #DD408C #8CDD40

tetradic

#408CDD #DD40DB #DD9140 #40DD42

square

#408CDD #DD40DB #DD9140 #40DD42

split-complementary

#408CDD #DD4240 #DBDD40

monochromatic

#194F8A #226DBE #408CDD #74ABE6 #A8CBEF

Accessibility & contrast

On white

3.49

#408CDD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.01

#408CDD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #408CDD

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##408CDD	#FFFFFF	#000000	##000000
##408CDD	1.00	3.49	6.01	6.01
#FFFFFF	3.49	1.00	21.00	21.00
#000000	6.01	21.00	1.00	1.00
##000000	6.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6791E0

Deuteranopia (green-blind)

#5082DB

Tritanopia (blue-blind)

#009FAA

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #408cdd;
/* rgb */ color: rgb(64, 140, 221);
/* oklch */ color: oklch(63.1% 0.144 252.3);

Tailwind

colors: {
  custom: {
    50: '#87ade8',
    500: '#408cdd',
    950: '#000000',
  },
}

SCSS

$custom: #408cdd;
$custom-light: #87ade8;
$custom-dark: #000000;

JSON

{
  "hex": "#408cdd",
  "rgb": {
    "r": 64,
    "g": 140,
    "b": 221
  },
  "hsl": {
    "h": 210.955,
    "s": 69.778,
    "l": 55.882
  },
  "oklch": {
    "l": 0.63062,
    "c": 0.14362,
    "h": 252.3
  },
  "luminance": 0.25067
}

Semantic roles & 50–950 ramp

primary

#408CDD

secondary

#DDBD9C

accent

#973BED

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #408CDD

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

Preview Lab → · Contrast checker → · Palette generator →