#406BB1#406BB1

#406BB1 is a mid, vivid blue. Relative luminance 0.148; OKLCH L 53.1% C 0.121 H 259.7°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#406BB1
RGB	rgb(64, 107, 177)
HSL	hsl(217, 47%, 47%)
HSV	hsv(217, 64%, 69%)
CMYK	cmyk(63.8%, 39.5%, 0%, 30.6%)
CIE-LAB	lab(45.33, 7.67, -41.71)
CIE-LCH	lch(45.33, 42.41, 280.42°)
OKLab	oklab(53.1% -0.0216 -0.1186)
OKLCH	oklch(53.1% 0.121 259.7)
XYZ	xyz(15.3050, 14.7783, 43.6324)
Luminance	0.1478 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406BB1 #B18640

analogous

#40A4B1 #406BB1 #4D40B1

triadic

#406BB1 #B1406B #6BB140

tetradic

#406BB1 #B140A4 #B18640 #40B14D

square

#406BB1 #B140A4 #B18640 #40B14D

split-complementary

#406BB1 #B14D40 #A4B140

monochromatic

#1F3557 #305084 #406BB1 #668BC8 #93ADD8

Accessibility & contrast

On white

5.31

#406BB1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#406BB1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406BB1

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406BB1	#FFFFFF	#000000	##FFFFFF
##406BB1	1.00	5.31	3.96	5.31
#FFFFFF	5.31	1.00	21.00	1.00
#000000	3.96	21.00	1.00	21.00
##FFFFFF	5.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C71B4

Deuteranopia (green-blind)

#3C66B0

Tritanopia (blue-blind)

#007B85

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #406bb1;
/* rgb */ color: rgb(64, 107, 177);
/* oklch */ color: oklch(53.1% 0.121 259.7);

Tailwind

colors: {
  custom: {
    50: '#8094c9',
    500: '#406bb1',
    950: '#000000',
  },
}

SCSS

$custom: #406bb1;
$custom-light: #8094c9;
$custom-dark: #000000;

JSON

{
  "hex": "#406bb1",
  "rgb": {
    "r": 64,
    "g": 107,
    "b": 177
  },
  "hsl": {
    "h": 217.168,
    "s": 46.888,
    "l": 47.255
  },
  "oklch": {
    "l": 0.53095,
    "c": 0.12056,
    "h": 259.7
  },
  "luminance": 0.1478
}

Semantic roles & 50–950 ramp

primary

#406BB1

secondary

#C3AD89

accent

#A451D7

background

#F8F9FC

surface

#EFF1F8

border

#CACBD1

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #406BB1

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

Preview Lab → · Contrast checker → · Palette generator →