#406EBB#406EBB

#406EBB is a mid, vivid blue. Relative luminance 0.158; OKLCH L 54.4% C 0.131 H 260.1°. Best body text is #FFFFFF at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#406EBB
RGB	rgb(64, 110, 187)
HSL	hsl(218, 49%, 49%)
HSV	hsv(218, 66%, 73%)
CMYK	cmyk(65.8%, 41.2%, 0%, 26.7%)
CIE-LAB	lab(46.75, 9.34, -45.27)
CIE-LCH	lch(46.75, 46.22, 281.66°)
OKLab	oklab(54.38% -0.0225 -0.129)
OKLCH	oklch(54.38% 0.131 260.1)
XYZ	xyz(16.6567, 15.8281, 49.1814)
Luminance	0.1583 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406EBB #BB8D40

analogous

#40ACBB #406EBB #5040BB

triadic

#406EBB #BB406E #6EBB40

tetradic

#406EBB #BB40AC #BB8D40 #40BB50

square

#406EBB #BB40AC #BB8D40 #40BB50

split-complementary

#406EBB #BB5040 #ACBB40

monochromatic

#213860 #30538D #406EBB #6C90CD #99B2DC

Accessibility & contrast

On white

5.04

#406EBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.17

#406EBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406EBB

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406EBB	#FFFFFF	#000000	##FFFFFF
##406EBB	1.00	5.04	4.17	5.04
#FFFFFF	5.04	1.00	21.00	1.00
#000000	4.17	21.00	1.00	21.00
##FFFFFF	5.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B75BE

Deuteranopia (green-blind)

#386AB9

Tritanopia (blue-blind)

#00808B

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #406ebb;
/* rgb */ color: rgb(64, 110, 187);
/* oklch */ color: oklch(54.4% 0.131 260.1);

Tailwind

colors: {
  custom: {
    50: '#8197d0',
    500: '#406ebb',
    950: '#000000',
  },
}

SCSS

$custom: #406ebb;
$custom-light: #8197d0;
$custom-dark: #000000;

JSON

{
  "hex": "#406ebb",
  "rgb": {
    "r": 64,
    "g": 110,
    "b": 187
  },
  "hsl": {
    "h": 217.561,
    "s": 49.004,
    "l": 49.216
  },
  "oklch": {
    "l": 0.54376,
    "c": 0.13095,
    "h": 260.1
  },
  "luminance": 0.1583
}

Semantic roles & 50–950 ramp

primary

#406EBB

secondary

#C8B38F

accent

#A54FD9

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #406EBB

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

Preview Lab → · Contrast checker → · Palette generator →