#408CD9#408CD9

#408CD9 is a light, vivid cyan. Relative luminance 0.249; OKLCH L 62.8% C 0.139 H 251.2°. Best body text is #000000 at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#408CD9
RGB	rgb(64, 140, 217)
HSL	hsl(210, 67%, 55%)
HSV	hsv(210, 71%, 85%)
CMYK	cmyk(70.5%, 35.5%, 0%, 14.9%)
CIE-LAB	lab(56.93, 1.72, -46.18)
CIE-LCH	lch(56.93, 46.21, 272.13°)
OKLab	oklab(62.83% -0.0446 -0.1312)
OKLCH	oklch(62.83% 0.139 251.2)
XYZ	xyz(24.0121, 24.8533, 69.1639)
Luminance	0.2486 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#408CD9 #D98D40

analogous

#40D8D9 #408CD9 #4040D9

triadic

#408CD9 #D9408C #8CD940

tetradic

#408CD9 #D940D8 #D98D40 #40D940

square

#408CD9 #D940D8 #D98D40 #40D940

split-complementary

#408CD9 #D94040 #D8D940

monochromatic

#1A4F84 #246DB7 #408CD9 #73ABE3 #A6C9ED

Accessibility & contrast

On white

3.52

#408CD9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.97

#408CD9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #408CD9

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##408CD9	#FFFFFF	#000000	##000000
##408CD9	1.00	3.52	5.97	5.97
#FFFFFF	3.52	1.00	21.00	21.00
#000000	5.97	21.00	1.00	1.00
##000000	5.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6990DC

Deuteranopia (green-blind)

#5382D7

Tritanopia (blue-blind)

#009EA8

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #408cd9;
/* rgb */ color: rgb(64, 140, 217);
/* oklch */ color: oklch(62.8% 0.139 251.2);

Tailwind

colors: {
  custom: {
    50: '#86ade5',
    500: '#408cd9',
    950: '#000000',
  },
}

SCSS

$custom: #408cd9;
$custom-light: #86ade5;
$custom-dark: #000000;

JSON

{
  "hex": "#408cd9",
  "rgb": {
    "r": 64,
    "g": 140,
    "b": 217
  },
  "hsl": {
    "h": 210.196,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.62834,
    "c": 0.13861,
    "h": 251.2
  },
  "luminance": 0.24856
}

Semantic roles & 50–950 ramp

primary

#408CD9

secondary

#DABB9A

accent

#943EEA

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0D1016

muted

#7D7F84

Preview Lab

Preview with #408CD9

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

Preview Lab → · Contrast checker → · Palette generator →