#406CBF#406CBF

#406CBF is a mid, vivid blue. Relative luminance 0.156; OKLCH L 54.2% C 0.139 H 261.8°. Best body text is #FFFFFF at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#406CBF
RGB	rgb(64, 108, 191)
HSL	hsl(219, 50%, 50%)
HSV	hsv(219, 66%, 75%)
CMYK	cmyk(66.5%, 43.5%, 0%, 25.1%)
CIE-LAB	lab(46.41, 12.02, -48.12)
CIE-LCH	lch(46.41, 49.60, 284.02°)
OKLab	oklab(54.19% -0.0197 -0.1374)
OKLCH	oklch(54.19% 0.139 261.8)
XYZ	xyz(16.8776, 15.5751, 51.3969)
Luminance	0.1558 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406CBF #BF9340

analogous

#40ABBF #406CBF #5440BF

triadic

#406CBF #BF406C #6CBF40

tetradic

#406CBF #BF40AB #BF9340 #40BF54

square

#406CBF #BF40AB #BF9340 #40BF54

split-complementary

#406CBF #BF5440 #ABBF40

monochromatic

#213863 #315291 #406CBF #6E8FCE #9CB3DE

Accessibility & contrast

On white

5.10

#406CBF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.12

#406CBF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406CBF

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406CBF	#FFFFFF	#000000	##FFFFFF
##406CBF	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)

#4574C2

Deuteranopia (green-blind)

#3069BD

Tritanopia (blue-blind)

#007F8C

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #406cbf;
/* rgb */ color: rgb(64, 108, 191);
/* oklch */ color: oklch(54.2% 0.139 261.8);

Tailwind

colors: {
  custom: {
    50: '#8295d3',
    500: '#406cbf',
    950: '#000000',
  },
}

SCSS

$custom: #406cbf;
$custom-light: #8295d3;
$custom-dark: #000000;

JSON

{
  "hex": "#406cbf",
  "rgb": {
    "r": 64,
    "g": 108,
    "b": 191
  },
  "hsl": {
    "h": 219.213,
    "s": 49.804,
    "l": 50
  },
  "oklch": {
    "l": 0.54191,
    "c": 0.13881,
    "h": 261.8
  },
  "luminance": 0.15577
}

Semantic roles & 50–950 ramp

primary

#406CBF

secondary

#CAB691

accent

#A94ED9

background

#F8F9FD

surface

#F0F1FA

border

#CBCBD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #406CBF

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

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