#406CB1#406CB1

#406CB1 is a mid, moderate blue. Relative luminance 0.150; OKLCH L 53.3% C 0.119 H 259.1°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#406CB1
RGB	rgb(64, 108, 177)
HSL	hsl(217, 47%, 47%)
HSV	hsv(217, 64%, 69%)
CMYK	cmyk(63.8%, 39%, 0%, 30.6%)
CIE-LAB	lab(45.62, 7.05, -41.25)
CIE-LCH	lch(45.62, 41.85, 279.69°)
OKLab	oklab(53.32% -0.0226 -0.1173)
OKLCH	oklch(53.32% 0.119 259.1)
XYZ	xyz(15.4099, 14.9880, 43.6673)
Luminance	0.1499 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406CB1 #B18540

analogous

#40A5B1 #406CB1 #4C40B1

triadic

#406CB1 #B1406C #6CB140

tetradic

#406CB1 #B140A5 #B18540 #40B14C

square

#406CB1 #B140A5 #B18540 #40B14C

split-complementary

#406CB1 #B14C40 #A5B140

monochromatic

#1F3557 #305184 #406CB1 #668CC8 #93AED8

Accessibility & contrast

On white

5.25

#406CB1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#406CB1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406CB1

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406CB1	#FFFFFF	#000000	##FFFFFF
##406CB1	1.00	5.25	4.00	5.25
#FFFFFF	5.25	1.00	21.00	1.00
#000000	4.00	21.00	1.00	21.00
##FFFFFF	5.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E72B4

Deuteranopia (green-blind)

#3E67B0

Tritanopia (blue-blind)

#007C86

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #406cb1;
/* rgb */ color: rgb(64, 108, 177);
/* oklch */ color: oklch(53.3% 0.119 259.1);

Tailwind

colors: {
  custom: {
    50: '#8095c9',
    500: '#406cb1',
    950: '#000000',
  },
}

SCSS

$custom: #406cb1;
$custom-light: #8095c9;
$custom-dark: #000000;

JSON

{
  "hex": "#406cb1",
  "rgb": {
    "r": 64,
    "g": 108,
    "b": 177
  },
  "hsl": {
    "h": 216.637,
    "s": 46.888,
    "l": 47.255
  },
  "oklch": {
    "l": 0.53319,
    "c": 0.11943,
    "h": 259.1
  },
  "luminance": 0.14989
}

Semantic roles & 50–950 ramp

primary

#406CB1

secondary

#C3AD89

accent

#A351D7

background

#F8F9FC

surface

#EFF1F8

border

#CACBD1

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #406CB1

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

Preview Lab → · Contrast checker → · Palette generator →