#404050#404050

#404050 is a dark, muted blue. Relative luminance 0.053; OKLCH L 37.8% C 0.027 H 285.0°. Best body text is #FFFFFF at 10.16:1 contrast (WCAG AA passes).

Color values

HEX	#404050
RGB	rgb(64, 64, 80)
HSL	hsl(240, 11%, 28%)
HSV	hsv(240, 20%, 31%)
CMYK	cmyk(20%, 20%, 0%, 68.6%)
CIE-LAB	lab(27.67, 3.92, -9.62)
CIE-LCH	lch(27.67, 10.39, 292.19°)
OKLab	oklab(37.79% 0.007 -0.0262)
OKLCH	oklch(37.79% 0.027 285)
XYZ	xyz(5.3954, 5.3359, 8.3335)
Luminance	0.0534 (WCAG relative)
Temperature	neutral
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404050 #505040

analogous

#404850 #404050 #484050

triadic

#404050 #504040 #405040

tetradic

#404050 #504048 #505040 #405048

square

#404050 #504048 #505040 #405048

split-complementary

#404050 #504840 #485040

monochromatic

#0E0E11 #25252E #404050 #5B5B72 #787893

Accessibility & contrast

On white

10.16

#404050 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#404050 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404050

10.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404050	#FFFFFF	#000000	##FFFFFF
##404050	1.00	10.16	2.07	10.16
#FFFFFF	10.16	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C4251

Deuteranopia (green-blind)

#3C4150

Tritanopia (blue-blind)

#3D4345

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #404050;
/* rgb */ color: rgb(64, 64, 80);
/* oklch */ color: oklch(37.8% 0.027 285.0);

Tailwind

colors: {
  custom: {
    50: '#757481',
    500: '#404050',
    950: '#000000',
  },
}

SCSS

$custom: #404050;
$custom-light: #757481;
$custom-dark: #000000;

JSON

{
  "hex": "#404050",
  "rgb": {
    "r": 64,
    "g": 64,
    "b": 80
  },
  "hsl": {
    "h": 240,
    "s": 11.111,
    "l": 28.235
  },
  "oklch": {
    "l": 0.37793,
    "c": 0.02715,
    "h": 285
  },
  "luminance": 0.05336
}

Semantic roles & 50–950 ramp

primary

#404050

secondary

#7F7F6D

accent

#B474B4

background

#F7F7F7

surface

#EDEDEE

border

#C8C8C9

text

#08080A

muted

#7B7B7C

Preview Lab

Preview with #404050

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

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