#406AB3#406AB3

#406AB3 is a mid, vivid blue. Relative luminance 0.147; OKLCH L 53.0% C 0.124 H 260.7°. Best body text is #FFFFFF at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#406AB3
RGB	rgb(64, 106, 179)
HSL	hsl(218, 47%, 48%)
HSV	hsv(218, 64%, 70%)
CMYK	cmyk(64.2%, 40.8%, 0%, 29.8%)
CIE-LAB	lab(45.15, 9.01, -43.16)
CIE-LCH	lch(45.15, 44.09, 281.79°)
OKLab	oklab(52.99% -0.0201 -0.1229)
OKLCH	oklch(52.99% 0.125 260.7)
XYZ	xyz(15.4022, 14.6513, 44.6554)
Luminance	0.1465 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406AB3 #B38940

analogous

#40A3B3 #406AB3 #5040B3

triadic

#406AB3 #B3406A #6AB340

tetradic

#406AB3 #B340A3 #B38940 #40B350

square

#406AB3 #B340A3 #B38940 #40B350

split-complementary

#406AB3 #B35040 #A3B340

monochromatic

#203559 #304F86 #406AB3 #678BC9 #94ADD9

Accessibility & contrast

On white

5.34

#406AB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.93

#406AB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406AB3

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406AB3	#FFFFFF	#000000	##FFFFFF
##406AB3	1.00	5.34	3.93	5.34
#FFFFFF	5.34	1.00	21.00	1.00
#000000	3.93	21.00	1.00	21.00
##FFFFFF	5.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4971B6

Deuteranopia (green-blind)

#3866B1

Tritanopia (blue-blind)

#007B86

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #406ab3;
/* rgb */ color: rgb(64, 106, 179);
/* oklch */ color: oklch(53.0% 0.124 260.7);

Tailwind

colors: {
  custom: {
    50: '#8094ca',
    500: '#406ab3',
    950: '#000000',
  },
}

SCSS

$custom: #406ab3;
$custom-light: #8094ca;
$custom-dark: #000000;

JSON

{
  "hex": "#406ab3",
  "rgb": {
    "r": 64,
    "g": 106,
    "b": 179
  },
  "hsl": {
    "h": 218.087,
    "s": 47.325,
    "l": 47.647
  },
  "oklch": {
    "l": 0.52994,
    "c": 0.1245,
    "h": 260.7
  },
  "luminance": 0.14653
}

Semantic roles & 50–950 ramp

primary

#406AB3

secondary

#C4AF8A

accent

#A651D7

background

#F8F9FC

surface

#EFF1F8

border

#CACBD1

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #406AB3

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

Preview Lab → · Contrast checker → · Palette generator →