#406BBF#406BBF

#406BBF is a mid, vivid blue. Relative luminance 0.154; OKLCH L 54.0% C 0.140 H 262.3°. Best body text is #FFFFFF at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#406BBF
RGB	rgb(64, 107, 191)
HSL	hsl(220, 50%, 50%)
HSV	hsv(220, 66%, 75%)
CMYK	cmyk(66.5%, 44%, 0%, 25.1%)
CIE-LAB	lab(46.13, 12.65, -48.57)
CIE-LCH	lch(46.13, 50.19, 284.60°)
OKLab	oklab(53.97% -0.0187 -0.1387)
OKLCH	oklch(53.97% 0.14 262.3)
XYZ	xyz(16.7727, 15.3653, 51.3620)
Luminance	0.1537 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406BBF #BF9440

analogous

#40ABBF #406BBF #5440BF

triadic

#406BBF #BF406B #6BBF40

tetradic

#406BBF #BF40AB #BF9440 #40BF54

square

#406BBF #BF40AB #BF9440 #40BF54

split-complementary

#406BBF #BF5440 #ABBF40

monochromatic

#213863 #315191 #406BBF #6E8FCE #9CB2DE

Accessibility & contrast

On white

5.16

#406BBF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.07

#406BBF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406BBF

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406BBF	#FFFFFF	#000000	##FFFFFF
##406BBF	1.00	5.16	4.07	5.16
#FFFFFF	5.16	1.00	21.00	1.00
#000000	4.07	21.00	1.00	21.00
##FFFFFF	5.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4374C2

Deuteranopia (green-blind)

#2D68BD

Tritanopia (blue-blind)

#007E8C

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #406bbf;
/* rgb */ color: rgb(64, 107, 191);
/* oklch */ color: oklch(54.0% 0.140 262.3);

Tailwind

colors: {
  custom: {
    50: '#8294d3',
    500: '#406bbf',
    950: '#000000',
  },
}

SCSS

$custom: #406bbf;
$custom-light: #8294d3;
$custom-dark: #000000;

JSON

{
  "hex": "#406bbf",
  "rgb": {
    "r": 64,
    "g": 107,
    "b": 191
  },
  "hsl": {
    "h": 219.685,
    "s": 49.804,
    "l": 50
  },
  "oklch": {
    "l": 0.53974,
    "c": 0.13999,
    "h": 262.3
  },
  "luminance": 0.15367
}

Semantic roles & 50–950 ramp

primary

#406BBF

secondary

#CAB791

accent

#AA4ED9

background

#F8F9FD

surface

#F0F1FA

border

#CBCBD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #406BBF

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

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