#408BB8#408BB8

#408BB8 is a mid, moderate cyan. Relative luminance 0.230; OKLCH L 60.9% C 0.101 H 237.9°. Best body text is #000000 at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#408BB8
RGB	rgb(64, 139, 184)
HSL	hsl(203, 48%, 49%)
HSV	hsv(203, 65%, 72%)
CMYK	cmyk(65.2%, 24.5%, 0%, 27.8%)
CIE-LAB	lab(55.09, -9.04, -30.42)
CIE-LCH	lch(55.09, 31.73, 253.45°)
OKLab	oklab(60.87% -0.0535 -0.0854)
OKLCH	oklch(60.87% 0.101 237.9)
XYZ	xyz(19.9954, 23.0139, 48.7265)
Luminance	0.2302 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#408BB8 #B86D40

analogous

#40B8A9 #408BB8 #404FB8

triadic

#408BB8 #B8408B #8BB840

tetradic

#408BB8 #A940B8 #B86D40 #4FB840

square

#408BB8 #A940B8 #B86D40 #4FB840

split-complementary

#408BB8 #B8404F #B8A940

monochromatic

#20465D #30698B #408BB8 #6AA7CB #97C2DB

Accessibility & contrast

On white

3.75

#408BB8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.60

#408BB8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #408BB8

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##408BB8	#FFFFFF	#000000	##000000
##408BB8	1.00	3.75	5.60	5.60
#FFFFFF	3.75	1.00	21.00	21.00
#000000	5.60	21.00	1.00	1.00
##000000	5.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#768BBA

Deuteranopia (green-blind)

#667FB7

Tritanopia (blue-blind)

#00969A

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #408bb8;
/* rgb */ color: rgb(64, 139, 184);
/* oklch */ color: oklch(60.9% 0.101 237.9);

Tailwind

colors: {
  custom: {
    50: '#81accd',
    500: '#408bb8',
    950: '#000000',
  },
}

SCSS

$custom: #408bb8;
$custom-light: #81accd;
$custom-dark: #000000;

JSON

{
  "hex": "#408bb8",
  "rgb": {
    "r": 64,
    "g": 139,
    "b": 184
  },
  "hsl": {
    "h": 202.5,
    "s": 48.387,
    "l": 48.627
  },
  "oklch": {
    "l": 0.60869,
    "c": 0.10081,
    "h": 237.9
  },
  "luminance": 0.23016
}

Semantic roles & 50–950 ramp

primary

#408BB8

secondary

#C7A38D

accent

#8350D8

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #408BB8

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

Preview Lab → · Contrast checker → · Palette generator →