#405DC1#405DC1

#405DC1 is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.2% C 0.160 H 268.1°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#405DC1
RGB	rgb(64, 93, 193)
HSL	hsl(227, 51%, 50%)
HSV	hsv(227, 67%, 76%)
CMYK	cmyk(66.8%, 51.8%, 0%, 24.3%)
CIE-LAB	lab(42.41, 22.28, -55.70)
CIE-LCH	lch(42.41, 60.00, 291.80°)
OKLab	oklab(51.17% -0.0052 -0.1599)
OKLCH	oklch(51.17% 0.16 268.1)
XYZ	xyz(15.6510, 12.7675, 52.0813)
Luminance	0.1277 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405DC1 #C1A440

analogous

#409DC1 #405DC1 #6440C1

triadic

#405DC1 #C1405D #5DC140

tetradic

#405DC1 #C1409D #C1A440 #40C164

square

#405DC1 #C1409D #C1A440 #40C164

split-complementary

#405DC1 #C16440 #9DC140

monochromatic

#213066 #304694 #405DC1 #6E84D0 #9CABDF

Accessibility & contrast

On white

5.91

#405DC1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#405DC1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405DC1

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405DC1	#FFFFFF	#000000	##FFFFFF
##405DC1	1.00	5.91	3.55	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F6AC5

Deuteranopia (green-blind)

#005FBF

Tritanopia (blue-blind)

#007586

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #405dc1;
/* rgb */ color: rgb(64, 93, 193);
/* oklch */ color: oklch(51.2% 0.160 268.1);

Tailwind

colors: {
  custom: {
    50: '#838ad4',
    500: '#405dc1',
    950: '#000000',
  },
}

SCSS

$custom: #405dc1;
$custom-light: #838ad4;
$custom-dark: #000000;

JSON

{
  "hex": "#405dc1",
  "rgb": {
    "r": 64,
    "g": 93,
    "b": 193
  },
  "hsl": {
    "h": 226.512,
    "s": 50.988,
    "l": 50.392
  },
  "oklch": {
    "l": 0.51174,
    "c": 0.16002,
    "h": 268.1
  },
  "luminance": 0.12769
}

Semantic roles & 50–950 ramp

primary

#405DC1

secondary

#CBBE92

accent

#BB4DDA

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #405DC1

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

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