#408EB3#408EB3

#408EB3 is a mid, moderate cyan. Relative luminance 0.237; OKLCH L 61.3% C 0.094 H 231.7°. Best body text is #000000 at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#408EB3
RGB	rgb(64, 142, 179)
HSL	hsl(199, 47%, 48%)
HSV	hsv(199, 64%, 70%)
CMYK	cmyk(64.2%, 20.7%, 0%, 29.8%)
CIE-LAB	lab(55.77, -12.37, -26.50)
CIE-LCH	lch(55.77, 29.24, 244.97°)
OKLab	oklab(61.35% -0.0585 -0.0742)
OKLCH	oklch(61.35% 0.094 231.7)
XYZ	xyz(19.9209, 23.6886, 46.1616)
Luminance	0.2369 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#408EB3 #B36540

analogous

#40B39E #408EB3 #4055B3

triadic

#408EB3 #B3408E #8EB340

tetradic

#408EB3 #9E40B3 #B36540 #55B340

square

#408EB3 #9E40B3 #B36540 #55B340

split-complementary

#408EB3 #B34055 #B39E40

monochromatic

#204659 #306A86 #408EB3 #67A9C9 #94C3D9

Accessibility & contrast

On white

3.66

#408EB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.74

#408EB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #408EB3

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##408EB3	#FFFFFF	#000000	##000000
##408EB3	1.00	3.66	5.74	5.74
#FFFFFF	3.66	1.00	21.00	21.00
#000000	5.74	21.00	1.00	1.00
##000000	5.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C8CB5

Deuteranopia (green-blind)

#6C80B2

Tritanopia (blue-blind)

#00989A

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #408eb3;
/* rgb */ color: rgb(64, 142, 179);
/* oklch */ color: oklch(61.3% 0.094 231.7);

Tailwind

colors: {
  custom: {
    50: '#81afca',
    500: '#408eb3',
    950: '#000000',
  },
}

SCSS

$custom: #408eb3;
$custom-light: #81afca;
$custom-dark: #000000;

JSON

{
  "hex": "#408eb3",
  "rgb": {
    "r": 64,
    "g": 142,
    "b": 179
  },
  "hsl": {
    "h": 199.304,
    "s": 47.325,
    "l": 47.647
  },
  "oklch": {
    "l": 0.61346,
    "c": 0.09444,
    "h": 231.7
  },
  "luminance": 0.23691
}

Semantic roles & 50–950 ramp

primary

#408EB3

secondary

#C49D8A

accent

#7C51D7

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #408EB3

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

Preview Lab → · Contrast checker → · Palette generator →