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Recognised as Colour

#40524A

  • #40524A
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#40524A is a cyan with RGB values 64, 82, 74 and HSL 153°, 12%, 29%. It is a dark colour, so white text on it reaches 8.3:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#40524A#40524A
HEX#40524A
RGBrgb(64, 82, 74)
RGB (0–1)0.251, 0.3216, 0.2902
RGB percentages25.1%, 32.2%, 29%
HSLhsl(153.3, 12.3%, 28.6%)
HSV / HSBhsv(153.3, 22%, 32.2%)
CMYK22%, 0%, 9.8%, 67.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,215,370
CSS custom property--colour: #40524A;

Brightness & contrast

Relative luminance0.07619WCAG 2.x, 0 is black and 1 is white
Perceived brightness76.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.32:1
Contrast with white8.32:1WCAG normal text: AAA
Contrast with black2.52:1WCAG normal text: Fail
Greyscale equivalent#4E4E4E
Inverted#BFADB5

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#514F4Ano red cones; affects about 1% of men; ΔE 8.7 from the original
Deuteranopia#4E4D4Ano green cones; the most common form, about 1% of men; ΔE 8.7 from the original
Tritanopia#3C5250no blue cones; rare, and affects men and women equally; ΔE 4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.32:1WCAG large text: AAA
Contrast with black, large text2.52:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 7Dim grey · ΔE 14.5Gray · ΔE 22.4Slate grey · ΔE 24.5Teal · ΔE 27.3Light slate grey · ΔE 27.3
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 7.01, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#524048
Analogous#405241, #405152
Triadic#4A4052, #524A40
Split complementary#524051, #524140
Tetradic#414052, #524048, #515240

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A5B9B0
Lighter +30%#88A397
Lighter +20%#6D8B7E
Lighter +10%#566F64
Darker −10%#2A3530
Darker −20%#131916
Darker −30%#000000
Darker −40%#000000
More saturated +25%#2E644C
Less saturated −25%#494949

Channel breakdown

R64
G82
B74
Red64 (25.1%)
Green82 (32.2%)
Blue74 (29%)
Hue153.33°
Saturation (HSL)12.33%
Lightness28.63%
Dominant channelGreen
Hex per channelR 40 · G 52 · B 4A

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Every value on this page was computed from “40524a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.