#404FCF#404FCF

#404FCF is a mid, vivid blue. Relative luminance 0.112; OKLCH L 49.6% C 0.196 H 272.0°. Best body text is #FFFFFF at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#404FCF
RGB	rgb(64, 79, 207)
HSL	hsl(234, 60%, 53%)
HSV	hsv(234, 69%, 81%)
CMYK	cmyk(69.1%, 61.8%, 0%, 18.8%)
CIE-LAB	lab(39.89, 36.14, -67.90)
CIE-LCH	lch(39.89, 76.92, 298.02°)
OKLab	oklab(49.62% 0.0067 -0.196)
OKLCH	oklch(49.62% 0.196 272)
XYZ	xyz(16.1690, 11.1854, 60.3263)
Luminance	0.1119 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404FCF #CFC040

analogous

#4097CF #404FCF #7840CF

triadic

#404FCF #CF404F #4FCF40

tetradic

#404FCF #CF4097 #CFC040 #40CF78

square

#404FCF #CF4097 #CFC040 #40CF78

split-complementary

#404FCF #CF7840 #97CF40

monochromatic

#1E2777 #2A37A8 #404FCF #717CDB #A2A9E8

Accessibility & contrast

On white

6.49

#404FCF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#404FCF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #404FCF

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404FCF	#FFFFFF	#000000	##FFFFFF
##404FCF	1.00	6.49	3.24	6.49
#FFFFFF	6.49	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065D3

Deuteranopia (green-blind)

#0058CD

Tritanopia (blue-blind)

#007087

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #404fcf;
/* rgb */ color: rgb(64, 79, 207);
/* oklch */ color: oklch(49.6% 0.196 272.0);

Tailwind

colors: {
  custom: {
    50: '#8780df',
    500: '#404fcf',
    950: '#000000',
  },
}

SCSS

$custom: #404fcf;
$custom-light: #8780df;
$custom-dark: #000000;

JSON

{
  "hex": "#404fcf",
  "rgb": {
    "r": 64,
    "g": 79,
    "b": 207
  },
  "hsl": {
    "h": 233.706,
    "s": 59.833,
    "l": 53.137
  },
  "oklch": {
    "l": 0.4962,
    "c": 0.19607,
    "h": 272
  },
  "luminance": 0.11187
}

Semantic roles & 50–950 ramp

primary

#404FCF

secondary

#D4CE97

accent

#D245E3

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #404FCF

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

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