#405BCE#405BCE

#405BCE is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.8% C 0.180 H 269.2°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#405BCE
RGB	rgb(64, 91, 206)
HSL	hsl(229, 59%, 53%)
HSV	hsv(229, 69%, 81%)
CMYK	cmyk(68.9%, 55.8%, 0%, 19.2%)
CIE-LAB	lab(42.80, 28.21, -62.58)
CIE-LCH	lch(42.80, 68.65, 294.26°)
OKLab	oklab(51.76% -0.0026 -0.1802)
OKLCH	oklch(51.76% 0.18 269.2)
XYZ	xyz(16.9922, 13.0267, 59.9995)
Luminance	0.1303 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405BCE #CEB340

analogous

#40A2CE #405BCE #6C40CE

triadic

#405BCE #CE405B #5BCE40

tetradic

#405BCE #CE40A2 #CEB340 #40CE6C

square

#405BCE #CE40A2 #CEB340 #40CE6C

split-complementary

#405BCE #CE6C40 #A2CE40

monochromatic

#1E2F75 #2B42A6 #405BCE #7185DA #A1AFE7

Accessibility & contrast

On white

5.82

#405BCE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#405BCE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405BCE

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405BCE	#FFFFFF	#000000	##FFFFFF
##405BCE	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CD2

Deuteranopia (green-blind)

#005FCC

Tritanopia (blue-blind)

#00778B

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #405bce;
/* rgb */ color: rgb(64, 91, 206);
/* oklch */ color: oklch(51.8% 0.180 269.2);

Tailwind

colors: {
  custom: {
    50: '#8689de',
    500: '#405bce',
    950: '#000000',
  },
}

SCSS

$custom: #405bce;
$custom-light: #8689de;
$custom-dark: #000000;

JSON

{
  "hex": "#405bce",
  "rgb": {
    "r": 64,
    "g": 91,
    "b": 206
  },
  "hsl": {
    "h": 228.592,
    "s": 59.167,
    "l": 52.941
  },
  "oklch": {
    "l": 0.51761,
    "c": 0.18022,
    "h": 269.2
  },
  "luminance": 0.13028
}

Semantic roles & 50–950 ramp

primary

#405BCE

secondary

#D4C896

accent

#C545E2

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #405BCE

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

Preview Lab → · Contrast checker → · Palette generator →