#404D79#404D79

#404D79 is a dark, moderate blue. Relative luminance 0.078; OKLCH L 43.0% C 0.075 H 270.5°. Best body text is #FFFFFF at 8.22:1 contrast (WCAG AA passes).

Color values

HEX	#404D79
RGB	rgb(64, 77, 121)
HSL	hsl(226, 31%, 36%)
HSV	hsv(226, 47%, 47%)
CMYK	cmyk(47.1%, 36.4%, 0%, 52.5%)
CIE-LAB	lab(33.52, 7.67, -26.69)
CIE-LCH	lch(33.52, 27.77, 286.03°)
OKLab	oklab(42.96% 0.0007 -0.075)
OKLCH	oklch(42.96% 0.075 270.5)
XYZ	xyz(8.2183, 7.7778, 19.1537)
Luminance	0.0778 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404D79 #796C40

analogous

#406A79 #404D79 #504079

triadic

#404D79 #79404D #4D7940

tetradic

#404D79 #79406A #796C40 #407950

square

#404D79 #79406A #796C40 #407950

split-complementary

#404D79 #795040 #6A7940

monochromatic

#161A29 #2B3451 #404D79 #5566A1 #7A89B9

Accessibility & contrast

On white

8.22

#404D79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#404D79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404D79

8.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404D79	#FFFFFF	#000000	##FFFFFF
##404D79	1.00	8.22	2.56	8.22
#FFFFFF	8.22	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D517B

Deuteranopia (green-blind)

#384D78

Tritanopia (blue-blind)

#2B565D

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #404d79;
/* rgb */ color: rgb(64, 77, 121);
/* oklch */ color: oklch(43.0% 0.075 270.5);

Tailwind

colors: {
  custom: {
    50: '#787ea0',
    500: '#404d79',
    950: '#000000',
  },
}

SCSS

$custom: #404d79;
$custom-light: #787ea0;
$custom-dark: #000000;

JSON

{
  "hex": "#404d79",
  "rgb": {
    "r": 64,
    "g": 77,
    "b": 121
  },
  "hsl": {
    "h": 226.316,
    "s": 30.811,
    "l": 36.275
  },
  "oklch": {
    "l": 0.42958,
    "c": 0.07504,
    "h": 270.5
  },
  "luminance": 0.07778
}

Semantic roles & 50–950 ramp

primary

#404D79

secondary

#A49871

accent

#B061C7

background

#F7F7F9

surface

#EDEEF2

border

#C8C9CC

text

#090A0E

muted

#7B7C7E

Preview Lab

Preview with #404D79

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

Preview Lab → · Contrast checker → · Palette generator →