#406FBC#406FBC

#406FBC is a mid, vivid blue. Relative luminance 0.161; OKLCH L 54.7% C 0.131 H 259.8°. Best body text is #FFFFFF at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#406FBC
RGB	rgb(64, 111, 188)
HSL	hsl(217, 49%, 49%)
HSV	hsv(217, 66%, 74%)
CMYK	cmyk(66%, 41%, 0%, 26.3%)
CIE-LAB	lab(47.09, 9.07, -45.30)
CIE-LCH	lch(47.09, 46.20, 281.32°)
OKLab	oklab(54.66% -0.0233 -0.1291)
OKLCH	oklch(54.66% 0.131 259.8)
XYZ	xyz(16.8727, 16.0881, 49.7833)
Luminance	0.1609 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406FBC #BC8D40

analogous

#40ADBC #406FBC #4F40BC

triadic

#406FBC #BC406F #6FBC40

tetradic

#406FBC #BC40AD #BC8D40 #40BC4F

square

#406FBC #BC40AD #BC8D40 #40BC4F

split-complementary

#406FBC #BC4F40 #ADBC40

monochromatic

#213961 #30548E #406FBC #6C91CD #9AB3DD

Accessibility & contrast

On white

4.98

#406FBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.22

#406FBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406FBC

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406FBC	#FFFFFF	#000000	##FFFFFF
##406FBC	1.00	4.98	4.22	4.98
#FFFFFF	4.98	1.00	21.00	1.00
#000000	4.22	21.00	1.00	21.00
##FFFFFF	4.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C76BF

Deuteranopia (green-blind)

#396ABA

Tritanopia (blue-blind)

#00818C

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #406fbc;
/* rgb */ color: rgb(64, 111, 188);
/* oklch */ color: oklch(54.7% 0.131 259.8);

Tailwind

colors: {
  custom: {
    50: '#8197d0',
    500: '#406fbc',
    950: '#000000',
  },
}

SCSS

$custom: #406fbc;
$custom-light: #8197d0;
$custom-dark: #000000;

JSON

{
  "hex": "#406fbc",
  "rgb": {
    "r": 64,
    "g": 111,
    "b": 188
  },
  "hsl": {
    "h": 217.258,
    "s": 49.206,
    "l": 49.412
  },
  "oklch": {
    "l": 0.54659,
    "c": 0.13117,
    "h": 259.8
  },
  "luminance": 0.1609
}

Semantic roles & 50–950 ramp

primary

#406FBC

secondary

#C9B38F

accent

#A54FD9

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #406FBC

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

Preview Lab → · Contrast checker → · Palette generator →