#404F79#404F79

#404F79 is a dark, moderate blue. Relative luminance 0.081; OKLCH L 43.4% C 0.072 H 268.3°. Best body text is #FFFFFF at 8.04:1 contrast (WCAG AA passes).

Color values

HEX	#404F79
RGB	rgb(64, 79, 121)
HSL	hsl(224, 31%, 36%)
HSV	hsv(224, 47%, 47%)
CMYK	cmyk(47.1%, 34.7%, 0%, 52.5%)
CIE-LAB	lab(34.11, 6.37, -25.76)
CIE-LCH	lch(34.11, 26.53, 283.88°)
OKLab	oklab(43.42% -0.0021 -0.0723)
OKLCH	oklch(43.42% 0.072 268.3)
XYZ	xyz(8.3604, 8.0620, 19.2010)
Luminance	0.0806 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404F79 #796A40

analogous

#406C79 #404F79 #4E4079

triadic

#404F79 #79404F #4F7940

tetradic

#404F79 #79406C #796A40 #40794E

square

#404F79 #79406C #796A40 #40794E

split-complementary

#404F79 #794E40 #6C7940

monochromatic

#161B29 #2B3551 #404F79 #5569A1 #7A8BB9

Accessibility & contrast

On white

8.04

#404F79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#404F79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404F79

8.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404F79	#FFFFFF	#000000	##FFFFFF
##404F79	1.00	8.04	2.61	8.04
#FFFFFF	8.04	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#40537B

Deuteranopia (green-blind)

#3A4E78

Tritanopia (blue-blind)

#2B585E

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #404f79;
/* rgb */ color: rgb(64, 79, 121);
/* oklch */ color: oklch(43.4% 0.072 268.3);

Tailwind

colors: {
  custom: {
    50: '#7880a0',
    500: '#404f79',
    950: '#000000',
  },
}

SCSS

$custom: #404f79;
$custom-light: #7880a0;
$custom-dark: #000000;

JSON

{
  "hex": "#404f79",
  "rgb": {
    "r": 64,
    "g": 79,
    "b": 121
  },
  "hsl": {
    "h": 224.211,
    "s": 30.811,
    "l": 36.275
  },
  "oklch": {
    "l": 0.43419,
    "c": 0.07235,
    "h": 268.3
  },
  "luminance": 0.08062
}

Semantic roles & 50–950 ramp

primary

#404F79

secondary

#A49671

accent

#AC61C7

background

#F7F7F9

surface

#EDEEF2

border

#C8C9CC

text

#090A0E

muted

#7B7C7E

Preview Lab

Preview with #404F79

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

Preview Lab → · Contrast checker → · Palette generator →