#404571#404571

#404571 is a dark, moderate blue. Relative luminance 0.065; OKLCH L 40.7% C 0.074 H 277.6°. Best body text is #FFFFFF at 9.10:1 contrast (WCAG AA passes).

Color values

HEX	#404571
RGB	rgb(64, 69, 113)
HSL	hsl(234, 28%, 35%)
HSV	hsv(234, 43%, 44%)
CMYK	cmyk(43.4%, 38.9%, 0%, 55.7%)
CIE-LAB	lab(30.73, 10.35, -26.06)
CIE-LCH	lch(30.73, 28.04, 291.66°)
OKLab	oklab(40.67% 0.0098 -0.0732)
OKLCH	oklch(40.67% 0.074 277.6)
XYZ	xyz(7.2222, 6.5382, 16.5010)
Luminance	0.0654 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404571 #716C40

analogous

#405E71 #404571 #544071

triadic

#404571 #714045 #457140

tetradic

#404571 #71405E #716C40 #407154

square

#404571 #71405E #716C40 #407154

split-complementary

#404571 #715440 #5E7140

monochromatic

#141523 #2A2D4A #404571 #565D98 #797EB3

Accessibility & contrast

On white

9.10

#404571 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#404571 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404571

9.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404571	#FFFFFF	#000000	##FFFFFF
##404571	1.00	9.10	2.31	9.10
#FFFFFF	9.10	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#364A73

Deuteranopia (green-blind)

#324770

Tritanopia (blue-blind)

#314E55

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #404571;
/* rgb */ color: rgb(64, 69, 113);
/* oklch */ color: oklch(40.7% 0.074 277.6);

Tailwind

colors: {
  custom: {
    50: '#77789a',
    500: '#404571',
    950: '#000000',
  },
}

SCSS

$custom: #404571;
$custom-light: #77789a;
$custom-dark: #000000;

JSON

{
  "hex": "#404571",
  "rgb": {
    "r": 64,
    "g": 69,
    "b": 113
  },
  "hsl": {
    "h": 233.878,
    "s": 27.684,
    "l": 34.706
  },
  "oklch": {
    "l": 0.40673,
    "c": 0.07389,
    "h": 277.6
  },
  "luminance": 0.06538
}

Semantic roles & 50–950 ramp

primary

#404571

secondary

#9E996F

accent

#BA64C4

background

#F7F7F9

surface

#EDEDF2

border

#C8C8CC

text

#09090E

muted

#7B7B7E

Preview Lab

Preview with #404571

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

Preview Lab → · Contrast checker → · Palette generator →