#406EB5#406EB5

#406EB5 is a mid, vivid blue. Relative luminance 0.156; OKLCH L 54.0% C 0.123 H 258.8°. Best body text is #FFFFFF at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#406EB5
RGB	rgb(64, 110, 181)
HSL	hsl(216, 48%, 48%)
HSV	hsv(216, 65%, 71%)
CMYK	cmyk(64.6%, 39.2%, 0%, 29%)
CIE-LAB	lab(46.41, 7.21, -42.32)
CIE-LCH	lch(46.41, 42.93, 279.67°)
OKLab	oklab(54.01% -0.0238 -0.1203)
OKLCH	oklch(54.01% 0.123 258.8)
XYZ	xyz(16.0278, 15.5765, 45.8690)
Luminance	0.1558 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406EB5 #B58740

analogous

#40A8B5 #406EB5 #4C40B5

triadic

#406EB5 #B5406E #6EB540

tetradic

#406EB5 #B540A8 #B58740 #40B54C

square

#406EB5 #B540A8 #B58740 #40B54C

split-complementary

#406EB5 #B54C40 #A8B540

monochromatic

#20375B #305388 #406EB5 #688FCA #96B0DA

Accessibility & contrast

On white

5.10

#406EB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.12

#406EB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406EB5

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406EB5	#FFFFFF	#000000	##FFFFFF
##406EB5	1.00	5.10	4.12	5.10
#FFFFFF	5.10	1.00	21.00	1.00
#000000	4.12	21.00	1.00	21.00
##FFFFFF	5.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F74B8

Deuteranopia (green-blind)

#3E69B4

Tritanopia (blue-blind)

#007E89

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #406eb5;
/* rgb */ color: rgb(64, 110, 181);
/* oklch */ color: oklch(54.0% 0.123 258.8);

Tailwind

colors: {
  custom: {
    50: '#8097cb',
    500: '#406eb5',
    950: '#000000',
  },
}

SCSS

$custom: #406eb5;
$custom-light: #8097cb;
$custom-dark: #000000;

JSON

{
  "hex": "#406eb5",
  "rgb": {
    "r": 64,
    "g": 110,
    "b": 181
  },
  "hsl": {
    "h": 216.41,
    "s": 47.755,
    "l": 48.039
  },
  "oklch": {
    "l": 0.54008,
    "c": 0.12268,
    "h": 258.8
  },
  "luminance": 0.15578
}

Semantic roles & 50–950 ramp

primary

#406EB5

secondary

#C5AF8B

accent

#A250D7

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #406EB5

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

Preview Lab → · Contrast checker → · Palette generator →