#408DDD#408DDD

#408DDD is a light, vivid cyan. Relative luminance 0.254; OKLCH L 63.3% C 0.143 H 251.8°. Best body text is #000000 at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#408DDD
RGB	rgb(64, 141, 221)
HSL	hsl(211, 70%, 56%)
HSV	hsv(211, 71%, 87%)
CMYK	cmyk(71%, 36.2%, 0%, 13.3%)
CIE-LAB	lab(57.42, 2.54, -47.64)
CIE-LCH	lch(57.42, 47.71, 273.05°)
OKLab	oklab(63.28% -0.0445 -0.1355)
OKLCH	oklch(63.28% 0.143 251.8)
XYZ	xyz(24.6855, 25.3575, 71.9861)
Luminance	0.2536 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#408DDD #DD9040

analogous

#40DCDD #408DDD #4140DD

triadic

#408DDD #DD408D #8DDD40

tetradic

#408DDD #DD40DC #DD9040 #40DD41

square

#408DDD #DD40DC #DD9040 #40DD41

split-complementary

#408DDD #DD4140 #DCDD40

monochromatic

#19508A #226EBE #408DDD #74ACE6 #A8CBEF

Accessibility & contrast

On white

3.46

#408DDD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.07

#408DDD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #408DDD

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##408DDD	#FFFFFF	#000000	##000000
##408DDD	1.00	3.46	6.07	6.07
#FFFFFF	3.46	1.00	21.00	21.00
#000000	6.07	21.00	1.00	1.00
##000000	6.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6992E0

Deuteranopia (green-blind)

#5183DB

Tritanopia (blue-blind)

#00A0AA

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #408ddd;
/* rgb */ color: rgb(64, 141, 221);
/* oklch */ color: oklch(63.3% 0.143 251.8);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#408ddd",
  "rgb": {
    "r": 64,
    "g": 141,
    "b": 221
  },
  "hsl": {
    "h": 210.573,
    "s": 69.778,
    "l": 55.882
  },
  "oklch": {
    "l": 0.63284,
    "c": 0.14264,
    "h": 251.8
  },
  "luminance": 0.2536
}

Semantic roles & 50–950 ramp

primary

#408DDD

secondary

#DDBD9C

accent

#963BED

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #408DDD

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

Preview Lab → · Contrast checker → · Palette generator →