#408BD9#408BD9

#408BD9 is a light, vivid cyan. Relative luminance 0.246; OKLCH L 62.6% C 0.140 H 251.8°. Best body text is #000000 at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#408BD9
RGB	rgb(64, 139, 217)
HSL	hsl(211, 67%, 55%)
HSV	hsv(211, 71%, 85%)
CMYK	cmyk(70.5%, 35.9%, 0%, 14.9%)
CIE-LAB	lab(56.65, 2.31, -46.63)
CIE-LCH	lch(56.65, 46.69, 272.84°)
OKLab	oklab(62.61% -0.0436 -0.1326)
OKLCH	oklch(62.61% 0.14 251.8)
XYZ	xyz(23.8667, 24.5624, 69.1154)
Luminance	0.2457 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#408BD9 #D98E40

analogous

#40D8D9 #408BD9 #4140D9

triadic

#408BD9 #D9408B #8BD940

tetradic

#408BD9 #D940D8 #D98E40 #40D941

square

#408BD9 #D940D8 #D98E40 #40D941

split-complementary

#408BD9 #D94140 #D8D940

monochromatic

#1A4E84 #246CB7 #408BD9 #73AAE3 #A6C9ED

Accessibility & contrast

On white

3.55

#408BD9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.91

#408BD9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #408BD9

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##408BD9	#FFFFFF	#000000	##000000
##408BD9	1.00	3.55	5.91	5.91
#FFFFFF	3.55	1.00	21.00	21.00
#000000	5.91	21.00	1.00	1.00
##000000	5.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6890DC

Deuteranopia (green-blind)

#5181D7

Tritanopia (blue-blind)

#009DA8

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #408bd9;
/* rgb */ color: rgb(64, 139, 217);
/* oklch */ color: oklch(62.6% 0.140 251.8);

Tailwind

colors: {
  custom: {
    50: '#86ace5',
    500: '#408bd9',
    950: '#000000',
  },
}

SCSS

$custom: #408bd9;
$custom-light: #86ace5;
$custom-dark: #000000;

JSON

{
  "hex": "#408bd9",
  "rgb": {
    "r": 64,
    "g": 139,
    "b": 217
  },
  "hsl": {
    "h": 210.588,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.6261,
    "c": 0.13959,
    "h": 251.8
  },
  "luminance": 0.24565
}

Semantic roles & 50–950 ramp

primary

#408BD9

secondary

#DABB9A

accent

#963EEA

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0D1016

muted

#7D7F84

Preview Lab

Preview with #408BD9

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

Preview Lab → · Contrast checker → · Palette generator →