#408DD9#408DD9

#408DD9 is a light, vivid cyan. Relative luminance 0.251; OKLCH L 63.1% C 0.138 H 250.7°. Best body text is #000000 at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#408DD9
RGB	rgb(64, 141, 217)
HSL	hsl(210, 67%, 55%)
HSV	hsv(210, 71%, 85%)
CMYK	cmyk(70.5%, 35%, 0%, 14.9%)
CIE-LAB	lab(57.22, 1.13, -45.73)
CIE-LCH	lch(57.22, 45.74, 271.41°)
OKLab	oklab(63.06% -0.0455 -0.1299)
OKLCH	oklch(63.06% 0.138 250.7)
XYZ	xyz(24.1589, 25.1469, 69.2128)
Luminance	0.2515 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#408DD9 #D98C40

analogous

#40D9D8 #408DD9 #4040D9

triadic

#408DD9 #D9408D #8DD940

tetradic

#408DD9 #D840D9 #D98C40 #40D940

square

#408DD9 #D840D9 #D98C40 #40D940

split-complementary

#408DD9 #D94040 #D9D840

monochromatic

#1A5084 #246EB7 #408DD9 #73ABE3 #A6CAED

Accessibility & contrast

On white

3.48

#408DD9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.03

#408DD9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #408DD9

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##408DD9	#FFFFFF	#000000	##000000
##408DD9	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)

#6B91DC

Deuteranopia (green-blind)

#5583D8

Tritanopia (blue-blind)

#009FA9

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #408dd9;
/* rgb */ color: rgb(64, 141, 217);
/* oklch */ color: oklch(63.1% 0.138 250.7);

Tailwind

colors: {
  custom: {
    50: '#86ade5',
    500: '#408dd9',
    950: '#000000',
  },
}

SCSS

$custom: #408dd9;
$custom-light: #86ade5;
$custom-dark: #000000;

JSON

{
  "hex": "#408dd9",
  "rgb": {
    "r": 64,
    "g": 141,
    "b": 217
  },
  "hsl": {
    "h": 209.804,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.63058,
    "c": 0.13766,
    "h": 250.7
  },
  "luminance": 0.25149
}

Semantic roles & 50–950 ramp

primary

#408DD9

secondary

#DABA9A

accent

#933EEA

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0D1016

muted

#7D7F84

Preview Lab

Preview with #408DD9

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

Preview Lab → · Contrast checker → · Palette generator →