#404D71#404D71

#404D71 is a dark, moderate blue. Relative luminance 0.076; OKLCH L 42.5% C 0.062 H 268.5°. Best body text is #FFFFFF at 8.34:1 contrast (WCAG AA passes).

Color values

HEX	#404D71
RGB	rgb(64, 77, 113)
HSL	hsl(224, 28%, 35%)
HSV	hsv(224, 43%, 44%)
CMYK	cmyk(43.4%, 31.9%, 0%, 55.7%)
CIE-LAB	lab(33.11, 5.10, -22.33)
CIE-LCH	lch(33.11, 22.90, 282.87°)
OKLab	oklab(42.51% -0.0016 -0.0624)
OKLCH	oklch(42.51% 0.062 268.5)
XYZ	xyz(7.7479, 7.5896, 16.6763)
Luminance	0.0759 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404D71 #716440

analogous

#406671 #404D71 #4C4071

triadic

#404D71 #71404D #4D7140

tetradic

#404D71 #714066 #716440 #40714C

square

#404D71 #714066 #716440 #40714C

split-complementary

#404D71 #714C40 #667140

monochromatic

#141823 #2A324A #404D71 #566898 #7988B3

Accessibility & contrast

On white

8.34

#404D71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#404D71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404D71

8.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404D71	#FFFFFF	#000000	##FFFFFF
##404D71	1.00	8.34	2.52	8.34
#FFFFFF	8.34	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#415073

Deuteranopia (green-blind)

#3C4C70

Tritanopia (blue-blind)

#30545A

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #404d71;
/* rgb */ color: rgb(64, 77, 113);
/* oklch */ color: oklch(42.5% 0.062 268.5);

Tailwind

colors: {
  custom: {
    50: '#777e9a',
    500: '#404d71',
    950: '#000000',
  },
}

SCSS

$custom: #404d71;
$custom-light: #777e9a;
$custom-dark: #000000;

JSON

{
  "hex": "#404d71",
  "rgb": {
    "r": 64,
    "g": 77,
    "b": 113
  },
  "hsl": {
    "h": 224.082,
    "s": 27.684,
    "l": 34.706
  },
  "oklch": {
    "l": 0.42513,
    "c": 0.06243,
    "h": 268.5
  },
  "luminance": 0.0759
}

Semantic roles & 50–950 ramp

primary

#404D71

secondary

#9E916F

accent

#AA64C4

background

#F7F7F9

surface

#EDEEF2

border

#C8C9CC

text

#090A0E

muted

#7B7C7E

Preview Lab

Preview with #404D71

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

Preview Lab → · Contrast checker → · Palette generator →