#405FCC#405FCC

#405FCC is a mid, vivid blue. Relative luminance 0.136; OKLCH L 52.4% C 0.173 H 268.0°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#405FCC
RGB	rgb(64, 95, 204)
HSL	hsl(227, 58%, 53%)
HSV	hsv(227, 69%, 80%)
CMYK	cmyk(68.6%, 53.4%, 0%, 20%)
CIE-LAB	lab(43.70, 24.94, -59.98)
CIE-LCH	lch(43.70, 64.96, 292.58°)
OKLab	oklab(52.39% -0.0061 -0.1725)
OKLCH	oklch(52.39% 0.173 268)
XYZ	xyz(17.1019, 13.6324, 58.8451)
Luminance	0.1363 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405FCC #CCAD40

analogous

#40A5CC #405FCC #6740CC

triadic

#405FCC #CC405F #5FCC40

tetradic

#405FCC #CC40A5 #CCAD40 #40CC67

square

#405FCC #CC40A5 #CCAD40 #40CC67

split-complementary

#405FCC #CC6740 #A5CC40

monochromatic

#1F3173 #2C46A3 #405FCC #7087D9 #A1B0E6

Accessibility & contrast

On white

5.63

#405FCC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#405FCC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405FCC

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405FCC	#FFFFFF	#000000	##FFFFFF
##405FCC	1.00	5.63	3.73	5.63
#FFFFFF	5.63	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E6ED0

Deuteranopia (green-blind)

#0061CA

Tritanopia (blue-blind)

#00798C

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #405fcc;
/* rgb */ color: rgb(64, 95, 204);
/* oklch */ color: oklch(52.4% 0.173 268.0);

Tailwind

colors: {
  custom: {
    50: '#858cdc',
    500: '#405fcc',
    950: '#000000',
  },
}

SCSS

$custom: #405fcc;
$custom-light: #858cdc;
$custom-dark: #000000;

JSON

{
  "hex": "#405fcc",
  "rgb": {
    "r": 64,
    "g": 95,
    "b": 204
  },
  "hsl": {
    "h": 226.714,
    "s": 57.851,
    "l": 52.549
  },
  "oklch": {
    "l": 0.5239,
    "c": 0.17259,
    "h": 268
  },
  "luminance": 0.13634
}

Semantic roles & 50–950 ramp

primary

#405FCC

secondary

#D2C595

accent

#BF47E1

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #405FCC

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

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