#406BB5#406BB5

#406BB5 is a mid, vivid blue. Relative luminance 0.149; OKLCH L 53.3% C 0.126 H 260.5°. Best body text is #FFFFFF at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#406BB5
RGB	rgb(64, 107, 181)
HSL	hsl(218, 48%, 48%)
HSV	hsv(218, 65%, 71%)
CMYK	cmyk(64.6%, 40.9%, 0%, 29%)
CIE-LAB	lab(45.55, 9.09, -43.69)
CIE-LCH	lch(45.55, 44.62, 281.75°)
OKLab	oklab(53.34% -0.0207 -0.1244)
OKLCH	oklch(53.34% 0.126 260.5)
XYZ	xyz(15.7096, 14.9401, 45.7629)
Luminance	0.1494 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406BB5 #B58A40

analogous

#40A5B5 #406BB5 #5040B5

triadic

#406BB5 #B5406B #6BB540

tetradic

#406BB5 #B540A5 #B58A40 #40B550

square

#406BB5 #B540A5 #B58A40 #40B550

split-complementary

#406BB5 #B55040 #A5B540

monochromatic

#20365B #305088 #406BB5 #688CCA #96AFDA

Accessibility & contrast

On white

5.27

#406BB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.99

#406BB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406BB5

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406BB5	#FFFFFF	#000000	##FFFFFF
##406BB5	1.00	5.27	3.99	5.27
#FFFFFF	5.27	1.00	21.00	1.00
#000000	3.99	21.00	1.00	21.00
##FFFFFF	5.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A72B8

Deuteranopia (green-blind)

#3867B3

Tritanopia (blue-blind)

#007C87

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #406bb5;
/* rgb */ color: rgb(64, 107, 181);
/* oklch */ color: oklch(53.3% 0.126 260.5);

Tailwind

colors: {
  custom: {
    50: '#8094cb',
    500: '#406bb5',
    950: '#000000',
  },
}

SCSS

$custom: #406bb5;
$custom-light: #8094cb;
$custom-dark: #000000;

JSON

{
  "hex": "#406bb5",
  "rgb": {
    "r": 64,
    "g": 107,
    "b": 181
  },
  "hsl": {
    "h": 217.949,
    "s": 47.755,
    "l": 48.039
  },
  "oklch": {
    "l": 0.5334,
    "c": 0.12612,
    "h": 260.5
  },
  "luminance": 0.14942
}

Semantic roles & 50–950 ramp

primary

#406BB5

secondary

#C5B08B

accent

#A650D7

background

#F8F9FC

surface

#EFF1F8

border

#CACBD1

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #406BB5

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

Preview Lab → · Contrast checker → · Palette generator →