#406BB3#406BB3

#406BB3 is a mid, vivid blue. Relative luminance 0.149; OKLCH L 53.2% C 0.123 H 260.1°. Best body text is #FFFFFF at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#406BB3
RGB	rgb(64, 107, 179)
HSL	hsl(218, 47%, 48%)
HSV	hsv(218, 64%, 70%)
CMYK	cmyk(64.2%, 40.2%, 0%, 29.8%)
CIE-LAB	lab(45.44, 8.38, -42.70)
CIE-LCH	lch(45.44, 43.52, 281.10°)
OKLab	oklab(53.22% -0.0211 -0.1215)
OKLCH	oklch(53.22% 0.123 260.1)
XYZ	xyz(15.5059, 14.8586, 44.6899)
Luminance	0.1486 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406BB3 #B38840

analogous

#40A5B3 #406BB3 #4E40B3

triadic

#406BB3 #B3406B #6BB340

tetradic

#406BB3 #B340A5 #B38840 #40B34E

square

#406BB3 #B340A5 #B38840 #40B34E

split-complementary

#406BB3 #B34E40 #A5B340

monochromatic

#203559 #305086 #406BB3 #678CC9 #94AED9

Accessibility & contrast

On white

5.29

#406BB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.97

#406BB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406BB3

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406BB3	#FFFFFF	#000000	##FFFFFF
##406BB3	1.00	5.29	3.97	5.29
#FFFFFF	5.29	1.00	21.00	1.00
#000000	3.97	21.00	1.00	21.00
##FFFFFF	5.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B71B6

Deuteranopia (green-blind)

#3A67B2

Tritanopia (blue-blind)

#007B86

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #406bb3;
/* rgb */ color: rgb(64, 107, 179);
/* oklch */ color: oklch(53.2% 0.123 260.1);

Tailwind

colors: {
  custom: {
    50: '#8094ca',
    500: '#406bb3',
    950: '#000000',
  },
}

SCSS

$custom: #406bb3;
$custom-light: #8094ca;
$custom-dark: #000000;

JSON

{
  "hex": "#406bb3",
  "rgb": {
    "r": 64,
    "g": 107,
    "b": 179
  },
  "hsl": {
    "h": 217.565,
    "s": 47.325,
    "l": 47.647
  },
  "oklch": {
    "l": 0.53217,
    "c": 0.12335,
    "h": 260.1
  },
  "luminance": 0.1486
}

Semantic roles & 50–950 ramp

primary

#406BB3

secondary

#C4AF8A

accent

#A551D7

background

#F8F9FC

surface

#EFF1F8

border

#CACBD1

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #406BB3

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

Preview Lab → · Contrast checker → · Palette generator →