#408FC3#408FC3

#408FC3 is a light, moderate cyan. Relative luminance 0.247; OKLCH L 62.4% C 0.110 H 240.6°. Best body text is #000000 at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#408FC3
RGB	rgb(64, 143, 195)
HSL	hsl(204, 52%, 51%)
HSV	hsv(204, 67%, 76%)
CMYK	cmyk(67.2%, 26.7%, 0%, 23.5%)
CIE-LAB	lab(56.76, -7.62, -34.07)
CIE-LCH	lch(56.76, 34.91, 257.40°)
OKLab	oklab(62.35% -0.054 -0.096)
OKLCH	oklch(62.35% 0.11 240.6)
XYZ	xyz(21.7834, 24.6727, 55.2335)
Luminance	0.2467 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#408FC3 #C37440

analogous

#40C3B5 #408FC3 #404DC3

triadic

#408FC3 #C3408F #8FC340

tetradic

#408FC3 #B540C3 #C37440 #4DC340

square

#408FC3 #B540C3 #C37440 #4DC340

split-complementary

#408FC3 #C3404D #C3B540

monochromatic

#214C68 #2F6E97 #408FC3 #6FAAD2 #9DC6E0

Accessibility & contrast

On white

3.54

#408FC3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.94

#408FC3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #408FC3

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##408FC3	#FFFFFF	#000000	##000000
##408FC3	1.00	3.54	5.94	5.94
#FFFFFF	3.54	1.00	21.00	21.00
#000000	5.94	21.00	1.00	1.00
##000000	5.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#778FC5

Deuteranopia (green-blind)

#6582C2

Tritanopia (blue-blind)

#009CA1

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #408fc3;
/* rgb */ color: rgb(64, 143, 195);
/* oklch */ color: oklch(62.4% 0.110 240.6);

Tailwind

colors: {
  custom: {
    50: '#83afd5',
    500: '#408fc3',
    950: '#000000',
  },
}

SCSS

$custom: #408fc3;
$custom-light: #83afd5;
$custom-dark: #000000;

JSON

{
  "hex": "#408fc3",
  "rgb": {
    "r": 64,
    "g": 143,
    "b": 195
  },
  "hsl": {
    "h": 203.817,
    "s": 52.191,
    "l": 50.784
  },
  "oklch": {
    "l": 0.6235,
    "c": 0.1101,
    "h": 240.6
  },
  "luminance": 0.24675
}

Semantic roles & 50–950 ramp

primary

#408FC3

secondary

#CCA992

accent

#854CDC

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C1014

muted

#7D7F83

Preview Lab

Preview with #408FC3

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

Preview Lab → · Contrast checker → · Palette generator →