#406CBB#406CBB

#406CBB is a mid, vivid blue. Relative luminance 0.154; OKLCH L 53.9% C 0.133 H 261.2°. Best body text is #FFFFFF at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#406CBB
RGB	rgb(64, 108, 187)
HSL	hsl(219, 49%, 49%)
HSV	hsv(219, 66%, 73%)
CMYK	cmyk(65.8%, 42.2%, 0%, 26.7%)
CIE-LAB	lab(46.18, 10.59, -46.17)
CIE-LCH	lch(46.18, 47.37, 282.92°)
OKLab	oklab(53.94% -0.0205 -0.1317)
OKLCH	oklch(53.94% 0.133 261.2)
XYZ	xyz(16.4434, 15.4014, 49.1103)
Luminance	0.1540 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406CBB #BB8F40

analogous

#40AABB #406CBB #5240BB

triadic

#406CBB #BB406C #6CBB40

tetradic

#406CBB #BB40AA #BB8F40 #40BB52

square

#406CBB #BB40AA #BB8F40 #40BB52

split-complementary

#406CBB #BB5240 #AABB40

monochromatic

#213760 #30528D #406CBB #6C8ECD #99B1DC

Accessibility & contrast

On white

5.15

#406CBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.08

#406CBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406CBB

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406CBB	#FFFFFF	#000000	##FFFFFF
##406CBB	1.00	5.15	4.08	5.15
#FFFFFF	5.15	1.00	21.00	1.00
#000000	4.08	21.00	1.00	21.00
##FFFFFF	5.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4774BE

Deuteranopia (green-blind)

#3468B9

Tritanopia (blue-blind)

#007E8A

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #406cbb;
/* rgb */ color: rgb(64, 108, 187);
/* oklch */ color: oklch(53.9% 0.133 261.2);

Tailwind

colors: {
  custom: {
    50: '#8195d0',
    500: '#406cbb',
    950: '#000000',
  },
}

SCSS

$custom: #406cbb;
$custom-light: #8195d0;
$custom-dark: #000000;

JSON

{
  "hex": "#406cbb",
  "rgb": {
    "r": 64,
    "g": 108,
    "b": 187
  },
  "hsl": {
    "h": 218.537,
    "s": 49.004,
    "l": 49.216
  },
  "oklch": {
    "l": 0.53936,
    "c": 0.13327,
    "h": 261.2
  },
  "luminance": 0.15403
}

Semantic roles & 50–950 ramp

primary

#406CBB

secondary

#C8B48F

accent

#A74FD9

background

#F8F9FC

surface

#F0F1F9

border

#CBCBD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #406CBB

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

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