#406BE3#406BE3

#406BE3 is a mid, vivid blue. Relative luminance 0.172; OKLCH L 56.5% C 0.189 H 265.7°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#406BE3
RGB	rgb(64, 107, 227)
HSL	hsl(224, 74%, 57%)
HSV	hsv(224, 72%, 89%)
CMYK	cmyk(71.8%, 52.9%, 0%, 11%)
CIE-LAB	lab(48.45, 25.59, -65.39)
CIE-LCH	lch(48.45, 70.22, 291.37°)
OKLab	oklab(56.48% -0.0141 -0.1882)
OKLCH	oklch(56.48% 0.189 265.7)
XYZ	xyz(21.2323, 17.1492, 74.8493)
Luminance	0.1715 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406BE3 #E3B840

analogous

#40BCE3 #406BE3 #6740E3

triadic

#406BE3 #E3406B #6BE340

tetradic

#406BE3 #E340BC #E3B840 #40E367

square

#406BE3 #E340BC #E3B840 #40E367

split-complementary

#406BE3 #E36740 #BCE340

monochromatic

#163793 #1D4BC8 #406BE3 #7594EB #ABBEF3

Accessibility & contrast

On white

4.74

#406BE3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#406BE3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406BE3

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406BE3	#FFFFFF	#000000	##FFFFFF
##406BE3	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#107BE7

Deuteranopia (green-blind)

#006CE1

Tritanopia (blue-blind)

#00889D

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #406be3;
/* rgb */ color: rgb(64, 107, 227);
/* oklch */ color: oklch(56.5% 0.189 265.7);

Tailwind

colors: {
  custom: {
    50: '#8994ed',
    500: '#406be3',
    950: '#000000',
  },
}

SCSS

$custom: #406be3;
$custom-light: #8994ed;
$custom-dark: #000000;

JSON

{
  "hex": "#406be3",
  "rgb": {
    "r": 64,
    "g": 107,
    "b": 227
  },
  "hsl": {
    "h": 224.172,
    "s": 74.429,
    "l": 57.059
  },
  "oklch": {
    "l": 0.56484,
    "c": 0.18876,
    "h": 265.7
  },
  "luminance": 0.17151
}

Semantic roles & 50–950 ramp

primary

#406BE3

secondary

#E1CF9E

accent

#C037F1

background

#F9F9FE

surface

#F1F1FD

border

#CBCBD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #406BE3

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

Preview Lab → · Contrast checker → · Palette generator →