#404A5A#404A5A

#404A5A is a dark, muted blue. Relative luminance 0.067; OKLCH L 40.7% C 0.030 H 259.8°. Best body text is #FFFFFF at 8.95:1 contrast (WCAG AA passes).

Color values

HEX	#404A5A
RGB	rgb(64, 74, 90)
HSL	hsl(217, 17%, 30%)
HSV	hsv(217, 29%, 35%)
CMYK	cmyk(28.9%, 17.8%, 0%, 64.7%)
CIE-LAB	lab(31.17, 0.17, -10.76)
CIE-LCH	lch(31.17, 10.76, 270.89°)
OKLab	oklab(40.66% -0.0053 -0.0295)
OKLCH	oklch(40.66% 0.03 259.8)
XYZ	xyz(6.4081, 6.7255, 10.6314)
Luminance	0.0673 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404A5A #5A5040

analogous

#40575A #404A5A #43405A

triadic

#404A5A #5A404A #4A5A40

tetradic

#404A5A #5A4057 #5A5040 #405A43

square

#404A5A #5A4057 #5A5040 #405A43

split-complementary

#404A5A #5A4340 #575A40

monochromatic

#0D0F12 #272D36 #404A5A #59677E #76869E

Accessibility & contrast

On white

8.95

#404A5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#404A5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404A5A

8.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404A5A	#FFFFFF	#000000	##FFFFFF
##404A5A	1.00	8.95	2.35	8.95
#FFFFFF	8.95	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#454B5B

Deuteranopia (green-blind)

#42485A

Tritanopia (blue-blind)

#394D4F

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #404a5a;
/* rgb */ color: rgb(64, 74, 90);
/* oklch */ color: oklch(40.7% 0.030 259.8);

Tailwind

colors: {
  custom: {
    50: '#757c88',
    500: '#404a5a',
    950: '#000000',
  },
}

SCSS

$custom: #404a5a;
$custom-light: #757c88;
$custom-dark: #000000;

JSON

{
  "hex": "#404a5a",
  "rgb": {
    "r": 64,
    "g": 74,
    "b": 90
  },
  "hsl": {
    "h": 216.923,
    "s": 16.883,
    "l": 30.196
  },
  "oklch": {
    "l": 0.40663,
    "c": 0.02996,
    "h": 259.8
  },
  "luminance": 0.06726
}

Semantic roles & 50–950 ramp

primary

#404A5A

secondary

#897E6C

accent

#9D6EBA

background

#F7F7F8

surface

#EDEEEF

border

#C8C9CA

text

#08090B

muted

#7B7B7C

Preview Lab

Preview with #404A5A

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

Preview Lab → · Contrast checker → · Palette generator →