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Recognised as Colour

#404B44

  • #404B44
  • Grey
  • Dark
  • Nearest: Dark slate grey

#404B44 is a grey with RGB values 64, 75, 68 and HSL 142°, 8%, 27%. It is a dark colour, so white text on it reaches 9.1:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#404B44#404B44
HEX#404B44
RGBrgb(64, 75, 68)
RGB (0–1)0.251, 0.2941, 0.2667
RGB percentages25.1%, 29.4%, 26.7%
HSLhsl(141.8, 7.9%, 27.3%)
HSV / HSBhsv(141.8, 14.7%, 29.4%)
CMYK14.7%, 0%, 9.3%, 70.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,213,572
CSS custom property--colour: #404B44;

Brightness & contrast

Relative luminance0.06539WCAG 2.x, 0 is black and 1 is white
Perceived brightness71.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.1:1
Contrast with white9.1:1WCAG normal text: AAA
Contrast with black2.31:1WCAG normal text: Fail
Greyscale equivalent#484848
Inverted#BFB4BB

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4B4944no red cones; affects about 1% of men; ΔE 5.9 from the original
Deuteranopia#494844no green cones; the most common form, about 1% of men; ΔE 5.6 from the original
Tritanopia#3E4B49no blue cones; rare, and affects men and women equally; ΔE 3.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.1:1WCAG large text: AAA
Contrast with black, large text2.31:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 8.6Dim grey · ΔE 15.2Gray · ΔE 23.8Slate grey · ΔE 26.1Light slate grey · ΔE 29Teal · ΔE 30.9
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 8.59, clearly different but related
Hue familygrey
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4B4047
Analogous#424B40, #404B4A
Triadic#44404B, #4B4440
Split complementary#4A404B, #4B4042
Tetradic#40424B, #4B4047, #4B4A40

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A5B2AA
Lighter +30%#899B90
Lighter +20%#6F8276
Lighter +10%#57675D
Darker −10%#292F2B
Darker −20%#111412
Darker −30%#000000
Darker −40%#000000
More saturated +25%#2F5C3F
Less saturated −25%#464646

Channel breakdown

R64
G75
B68
Red64 (25.1%)
Green75 (29.4%)
Blue68 (26.7%)
Hue141.82°
Saturation (HSL)7.91%
Lightness27.25%
Dominant channelGreen
Hex per channelR 40 · G 4B · B 44

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Every value on this page was computed from “404b44” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.