#405FCE#405FCE

#405FCE is a mid, vivid blue. Relative luminance 0.137; OKLCH L 52.5% C 0.175 H 268.1°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#405FCE
RGB	rgb(64, 95, 206)
HSL	hsl(227, 59%, 53%)
HSV	hsv(227, 69%, 81%)
CMYK	cmyk(68.9%, 53.9%, 0%, 19.2%)
CIE-LAB	lab(43.84, 25.66, -60.90)
CIE-LCH	lch(43.84, 66.08, 292.85°)
OKLab	oklab(52.54% -0.0059 -0.1752)
OKLCH	oklch(52.54% 0.175 268.1)
XYZ	xyz(17.3433, 13.7289, 60.1165)
Luminance	0.1373 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405FCE #CEAF40

analogous

#40A6CE #405FCE #6840CE

triadic

#405FCE #CE405F #5FCE40

tetradic

#405FCE #CE40A6 #CEAF40 #40CE68

square

#405FCE #CE40A6 #CEAF40 #40CE68

split-complementary

#405FCE #CE6840 #A6CE40

monochromatic

#1E3175 #2B46A6 #405FCE #7188DA #A1B1E7

Accessibility & contrast

On white

5.61

#405FCE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#405FCE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405FCE

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405FCE	#FFFFFF	#000000	##FFFFFF
##405FCE	1.00	5.61	3.75	5.61
#FFFFFF	5.61	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#066ED2

Deuteranopia (green-blind)

#0061CC

Tritanopia (blue-blind)

#007A8D

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #405fce;
/* rgb */ color: rgb(64, 95, 206);
/* oklch */ color: oklch(52.5% 0.175 268.1);

Tailwind

colors: {
  custom: {
    50: '#858cde',
    500: '#405fce',
    950: '#000000',
  },
}

SCSS

$custom: #405fce;
$custom-light: #858cde;
$custom-dark: #000000;

JSON

{
  "hex": "#405fce",
  "rgb": {
    "r": 64,
    "g": 95,
    "b": 206
  },
  "hsl": {
    "h": 226.901,
    "s": 59.167,
    "l": 52.941
  },
  "oklch": {
    "l": 0.52541,
    "c": 0.17529,
    "h": 268.1
  },
  "luminance": 0.13731
}

Semantic roles & 50–950 ramp

primary

#405FCE

secondary

#D4C696

accent

#C045E2

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #405FCE

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

Preview Lab → · Contrast checker → · Palette generator →