#406FB8#406FB8

#406FB8 is a mid, vivid blue. Relative luminance 0.159; OKLCH L 54.4% C 0.126 H 258.9°. Best body text is #FFFFFF at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#406FB8
RGB	rgb(64, 111, 184)
HSL	hsl(217, 48%, 49%)
HSV	hsv(217, 65%, 72%)
CMYK	cmyk(65.2%, 39.7%, 0%, 27.8%)
CIE-LAB	lab(46.87, 7.65, -43.34)
CIE-LCH	lch(46.87, 44.01, 280.01°)
OKLab	oklab(54.41% -0.0242 -0.1233)
OKLCH	oklch(54.41% 0.126 258.9)
XYZ	xyz(16.4474, 15.9180, 47.5438)
Luminance	0.1592 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406FB8 #B88940

analogous

#40ABB8 #406FB8 #4D40B8

triadic

#406FB8 #B8406F #6FB840

tetradic

#406FB8 #B840AB #B88940 #40B84D

square

#406FB8 #B840AB #B88940 #40B84D

split-complementary

#406FB8 #B84D40 #ABB840

monochromatic

#20385D #30548B #406FB8 #6A90CB #97B2DB

Accessibility & contrast

On white

5.02

#406FB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.18

#406FB8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406FB8

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406FB8	#FFFFFF	#000000	##FFFFFF
##406FB8	1.00	5.02	4.18	5.02
#FFFFFF	5.02	1.00	21.00	1.00
#000000	4.18	21.00	1.00	21.00
##FFFFFF	5.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E75BB

Deuteranopia (green-blind)

#3D6AB6

Tritanopia (blue-blind)

#00808A

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #406fb8;
/* rgb */ color: rgb(64, 111, 184);
/* oklch */ color: oklch(54.4% 0.126 258.9);

Tailwind

colors: {
  custom: {
    50: '#8197ce',
    500: '#406fb8',
    950: '#000000',
  },
}

SCSS

$custom: #406fb8;
$custom-light: #8197ce;
$custom-dark: #000000;

JSON

{
  "hex": "#406fb8",
  "rgb": {
    "r": 64,
    "g": 111,
    "b": 184
  },
  "hsl": {
    "h": 216.5,
    "s": 48.387,
    "l": 48.627
  },
  "oklch": {
    "l": 0.54413,
    "c": 0.12568,
    "h": 258.9
  },
  "luminance": 0.1592
}

Semantic roles & 50–950 ramp

primary

#406FB8

secondary

#C7B08D

accent

#A350D8

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #406FB8

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

Preview Lab → · Contrast checker → · Palette generator →