#406BBB#406BBB

#406BBB is a mid, vivid blue. Relative luminance 0.152; OKLCH L 53.7% C 0.134 H 261.7°. Best body text is #FFFFFF at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#406BBB
RGB	rgb(64, 107, 187)
HSL	hsl(219, 49%, 49%)
HSV	hsv(219, 66%, 73%)
CMYK	cmyk(65.8%, 42.8%, 0%, 26.7%)
CIE-LAB	lab(45.90, 11.22, -46.63)
CIE-LCH	lch(45.90, 47.96, 283.53°)
OKLab	oklab(53.72% -0.0195 -0.133)
OKLCH	oklch(53.72% 0.134 261.7)
XYZ	xyz(16.3385, 15.1917, 49.0753)
Luminance	0.1519 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406BBB #BB9040

analogous

#40A9BB #406BBB #5240BB

triadic

#406BBB #BB406B #6BBB40

tetradic

#406BBB #BB40A9 #BB9040 #40BB52

square

#406BBB #BB40A9 #BB9040 #40BB52

split-complementary

#406BBB #BB5240 #A9BB40

monochromatic

#213760 #30518D #406BBB #6C8ECD #99B1DC

Accessibility & contrast

On white

5.20

#406BBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#406BBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406BBB

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406BBB	#FFFFFF	#000000	##FFFFFF
##406BBB	1.00	5.20	4.04	5.20
#FFFFFF	5.20	1.00	21.00	1.00
#000000	4.04	21.00	1.00	21.00
##FFFFFF	5.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4673BE

Deuteranopia (green-blind)

#3267B9

Tritanopia (blue-blind)

#007D8A

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #406bbb;
/* rgb */ color: rgb(64, 107, 187);
/* oklch */ color: oklch(53.7% 0.134 261.7);

Tailwind

colors: {
  custom: {
    50: '#8194d0',
    500: '#406bbb',
    950: '#000000',
  },
}

SCSS

$custom: #406bbb;
$custom-light: #8194d0;
$custom-dark: #000000;

JSON

{
  "hex": "#406bbb",
  "rgb": {
    "r": 64,
    "g": 107,
    "b": 187
  },
  "hsl": {
    "h": 219.024,
    "s": 49.004,
    "l": 49.216
  },
  "oklch": {
    "l": 0.53717,
    "c": 0.13445,
    "h": 261.7
  },
  "luminance": 0.15193
}

Semantic roles & 50–950 ramp

primary

#406BBB

secondary

#C8B48F

accent

#A94FD9

background

#F8F9FC

surface

#F0F1F9

border

#CBCBD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #406BBB

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

Preview Lab → · Contrast checker → · Palette generator →