#408FB3#408FB3

#408FB3 is a mid, moderate cyan. Relative luminance 0.240; OKLCH L 61.6% C 0.094 H 230.7°. Best body text is #000000 at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#408FB3
RGB	rgb(64, 143, 179)
HSL	hsl(199, 47%, 48%)
HSV	hsv(199, 64%, 70%)
CMYK	cmyk(64.2%, 20.1%, 0%, 29.8%)
CIE-LAB	lab(56.08, -12.93, -26.03)
CIE-LCH	lch(56.08, 29.07, 243.59°)
OKLab	oklab(61.59% -0.0595 -0.0728)
OKLCH	oklch(61.59% 0.094 230.7)
XYZ	xyz(20.0703, 23.9875, 46.2114)
Luminance	0.2399 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#408FB3 #B36440

analogous

#40B39E #408FB3 #4055B3

triadic

#408FB3 #B3408F #8FB340

tetradic

#408FB3 #9E40B3 #B36440 #55B340

square

#408FB3 #9E40B3 #B36440 #55B340

split-complementary

#408FB3 #B34055 #B39E40

monochromatic

#204759 #306B86 #408FB3 #67AAC9 #94C3D9

Accessibility & contrast

On white

3.62

#408FB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.80

#408FB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #408FB3

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##408FB3	#FFFFFF	#000000	##000000
##408FB3	1.00	3.62	5.80	5.80
#FFFFFF	3.62	1.00	21.00	21.00
#000000	5.80	21.00	1.00	1.00
##000000	5.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D8DB5

Deuteranopia (green-blind)

#6D81B2

Tritanopia (blue-blind)

#00999B

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #408fb3;
/* rgb */ color: rgb(64, 143, 179);
/* oklch */ color: oklch(61.6% 0.094 230.7);

Tailwind

colors: {
  custom: {
    50: '#81afca',
    500: '#408fb3',
    950: '#000000',
  },
}

SCSS

$custom: #408fb3;
$custom-light: #81afca;
$custom-dark: #000000;

JSON

{
  "hex": "#408fb3",
  "rgb": {
    "r": 64,
    "g": 143,
    "b": 179
  },
  "hsl": {
    "h": 198.783,
    "s": 47.325,
    "l": 47.647
  },
  "oklch": {
    "l": 0.61586,
    "c": 0.09408,
    "h": 230.7
  },
  "luminance": 0.2399
}

Semantic roles & 50–950 ramp

primary

#408FB3

secondary

#C49D8A

accent

#7B51D7

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #408FB3

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

Preview Lab → · Contrast checker → · Palette generator →