#406FBF#406FBF

#406FBF is a mid, vivid blue. Relative luminance 0.162; OKLCH L 54.8% C 0.135 H 260.4°. Best body text is #FFFFFF at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#406FBF
RGB	rgb(64, 111, 191)
HSL	hsl(218, 50%, 50%)
HSV	hsv(218, 66%, 75%)
CMYK	cmyk(66.5%, 41.9%, 0%, 25.1%)
CIE-LAB	lab(47.26, 10.14, -46.76)
CIE-LCH	lch(47.26, 47.85, 282.23°)
OKLab	oklab(54.85% -0.0227 -0.1334)
OKLCH	oklch(54.85% 0.135 260.4)
XYZ	xyz(17.1994, 16.2188, 51.5042)
Luminance	0.1622 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406FBF #BF9040

analogous

#40AFBF #406FBF #5040BF

triadic

#406FBF #BF406F #6FBF40

tetradic

#406FBF #BF40AF #BF9040 #40BF50

square

#406FBF #BF40AF #BF9040 #40BF50

split-complementary

#406FBF #BF5040 #AFBF40

monochromatic

#213A63 #315491 #406FBF #6E92CE #9CB4DE

Accessibility & contrast

On white

4.95

#406FBF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.24

#406FBF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406FBF

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406FBF	#FFFFFF	#000000	##FFFFFF
##406FBF	1.00	4.95	4.24	4.95
#FFFFFF	4.95	1.00	21.00	1.00
#000000	4.24	21.00	1.00	21.00
##FFFFFF	4.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A76C2

Deuteranopia (green-blind)

#366BBD

Tritanopia (blue-blind)

#00818E

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #406fbf;
/* rgb */ color: rgb(64, 111, 191);
/* oklch */ color: oklch(54.8% 0.135 260.4);

Tailwind

colors: {
  custom: {
    50: '#8297d3',
    500: '#406fbf',
    950: '#000000',
  },
}

SCSS

$custom: #406fbf;
$custom-light: #8297d3;
$custom-dark: #000000;

JSON

{
  "hex": "#406fbf",
  "rgb": {
    "r": 64,
    "g": 111,
    "b": 191
  },
  "hsl": {
    "h": 217.795,
    "s": 49.804,
    "l": 50
  },
  "oklch": {
    "l": 0.54846,
    "c": 0.13529,
    "h": 260.4
  },
  "luminance": 0.1622
}

Semantic roles & 50–950 ramp

primary

#406FBF

secondary

#CAB591

accent

#A64ED9

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #406FBF

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

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