#408CB3#408CB3

#408CB3 is a mid, moderate cyan. Relative luminance 0.231; OKLCH L 60.9% C 0.095 H 233.8°. Best body text is #000000 at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#408CB3
RGB	rgb(64, 140, 179)
HSL	hsl(200, 47%, 48%)
HSV	hsv(200, 64%, 70%)
CMYK	cmyk(64.2%, 21.8%, 0%, 29.8%)
CIE-LAB	lab(55.17, -11.25, -27.43)
CIE-LCH	lch(55.17, 29.65, 247.69°)
OKLab	oklab(60.87% -0.0563 -0.0768)
OKLCH	oklch(60.87% 0.095 233.8)
XYZ	xyz(19.6260, 23.0988, 46.0633)
Luminance	0.2310 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#408CB3 #B36740

analogous

#40B3A1 #408CB3 #4052B3

triadic

#408CB3 #B3408C #8CB340

tetradic

#408CB3 #A140B3 #B36740 #52B340

square

#408CB3 #A140B3 #B36740 #52B340

split-complementary

#408CB3 #B34052 #B3A140

monochromatic

#204559 #306986 #408CB3 #67A8C9 #94C2D9

Accessibility & contrast

On white

3.74

#408CB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.62

#408CB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #408CB3

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##408CB3	#FFFFFF	#000000	##000000
##408CB3	1.00	3.74	5.62	5.62
#FFFFFF	3.74	1.00	21.00	21.00
#000000	5.62	21.00	1.00	1.00
##000000	5.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#798BB5

Deuteranopia (green-blind)

#697FB2

Tritanopia (blue-blind)

#009699

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #408cb3;
/* rgb */ color: rgb(64, 140, 179);
/* oklch */ color: oklch(60.9% 0.095 233.8);

Tailwind

colors: {
  custom: {
    50: '#81adca',
    500: '#408cb3',
    950: '#000000',
  },
}

SCSS

$custom: #408cb3;
$custom-light: #81adca;
$custom-dark: #000000;

JSON

{
  "hex": "#408cb3",
  "rgb": {
    "r": 64,
    "g": 140,
    "b": 179
  },
  "hsl": {
    "h": 200.348,
    "s": 47.325,
    "l": 47.647
  },
  "oklch": {
    "l": 0.60868,
    "c": 0.09526,
    "h": 233.8
  },
  "luminance": 0.23101
}

Semantic roles & 50–950 ramp

primary

#408CB3

secondary

#C49E8A

accent

#7E51D7

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #408CB3

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

Preview Lab → · Contrast checker → · Palette generator →