#405DD6#405DD6

#405DD6 is a mid, vivid blue. Relative luminance 0.138; OKLCH L 52.8% C 0.188 H 268.8°. Best body text is #FFFFFF at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#405DD6
RGB	rgb(64, 93, 214)
HSL	hsl(228, 65%, 55%)
HSV	hsv(228, 70%, 84%)
CMYK	cmyk(70.1%, 56.5%, 0%, 16.1%)
CIE-LAB	lab(43.90, 29.78, -65.38)
CIE-LCH	lch(43.90, 71.85, 294.49°)
OKLab	oklab(52.77% -0.0039 -0.1884)
OKLCH	oklch(52.77% 0.188 268.8)
XYZ	xyz(18.1621, 13.7719, 65.3064)
Luminance	0.1377 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405DD6 #D6B940

analogous

#40A8D6 #405DD6 #6E40D6

triadic

#405DD6 #D6405D #5DD640

tetradic

#405DD6 #D640A8 #D6B940 #40D66E

square

#405DD6 #D640A8 #D6B940 #40D66E

split-complementary

#405DD6 #D66E40 #A8D640

monochromatic

#1B2F80 #2641B2 #405DD6 #7288E1 #A5B2EC

Accessibility & contrast

On white

5.59

#405DD6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#405DD6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405DD6

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405DD6	#FFFFFF	#000000	##FFFFFF
##405DD6	1.00	5.59	3.75	5.59
#FFFFFF	5.59	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FDA

Deuteranopia (green-blind)

#0061D4

Tritanopia (blue-blind)

#007B90

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #405dd6;
/* rgb */ color: rgb(64, 93, 214);
/* oklch */ color: oklch(52.8% 0.188 268.8);

Tailwind

colors: {
  custom: {
    50: '#878ae3',
    500: '#405dd6',
    950: '#000000',
  },
}

SCSS

$custom: #405dd6;
$custom-light: #878ae3;
$custom-dark: #000000;

JSON

{
  "hex": "#405dd6",
  "rgb": {
    "r": 64,
    "g": 93,
    "b": 214
  },
  "hsl": {
    "h": 228.4,
    "s": 64.655,
    "l": 54.51
  },
  "oklch": {
    "l": 0.5277,
    "c": 0.18845,
    "h": 268.8
  },
  "luminance": 0.13774
}

Semantic roles & 50–950 ramp

primary

#405DD6

secondary

#D9CC99

accent

#C740E8

background

#F9F8FE

surface

#F1F0FC

border

#CBCBD5

text

#0D0B16

muted

#7E7C84

Preview Lab

Preview with #405DD6

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

Preview Lab → · Contrast checker → · Palette generator →