#408CD8#408CD8

#408CD8 is a light, vivid cyan. Relative luminance 0.248; OKLCH L 62.8% C 0.137 H 250.9°. Best body text is #000000 at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#408CD8
RGB	rgb(64, 140, 216)
HSL	hsl(210, 66%, 55%)
HSV	hsv(210, 70%, 85%)
CMYK	cmyk(70.4%, 35.2%, 0%, 15.3%)
CIE-LAB	lab(56.88, 1.37, -45.70)
CIE-LCH	lch(56.88, 45.72, 271.72°)
OKLab	oklab(62.78% -0.0448 -0.1298)
OKLCH	oklch(62.78% 0.137 250.9)
XYZ	xyz(23.8825, 24.8014, 68.4809)
Luminance	0.2480 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#408CD8 #D88C40

analogous

#40D8D8 #408CD8 #4040D8

triadic

#408CD8 #D8408C #8CD840

tetradic

#408CD8 #D840D8 #D88C40 #40D840

square

#408CD8 #D840D8 #D88C40 #40D840

split-complementary

#408CD8 #D84040 #D8D840

monochromatic

#1B4F83 #256DB6 #408CD8 #73ABE2 #A6C9ED

Accessibility & contrast

On white

3.52

#408CD8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.96

#408CD8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #408CD8

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##408CD8	#FFFFFF	#000000	##000000
##408CD8	1.00	3.52	5.96	5.96
#FFFFFF	3.52	1.00	21.00	21.00
#000000	5.96	21.00	1.00	1.00
##000000	5.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A90DB

Deuteranopia (green-blind)

#5482D6

Tritanopia (blue-blind)

#009EA8

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #408cd8;
/* rgb */ color: rgb(64, 140, 216);
/* oklch */ color: oklch(62.8% 0.137 250.9);

Tailwind

colors: {
  custom: {
    50: '#86ade4',
    500: '#408cd8',
    950: '#000000',
  },
}

SCSS

$custom: #408cd8;
$custom-light: #86ade4;
$custom-dark: #000000;

JSON

{
  "hex": "#408cd8",
  "rgb": {
    "r": 64,
    "g": 140,
    "b": 216
  },
  "hsl": {
    "h": 210,
    "s": 66.087,
    "l": 54.902
  },
  "oklch": {
    "l": 0.62777,
    "c": 0.13737,
    "h": 250.9
  },
  "luminance": 0.24804
}

Semantic roles & 50–950 ramp

primary

#408CD8

secondary

#DABA9A

accent

#943FE9

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0D1015

muted

#7D7F84

Preview Lab

Preview with #408CD8

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

Preview Lab → · Contrast checker → · Palette generator →