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Colour

#40485F

  • #40485F
  • Blue
  • Dark
  • Nearest: Dark slate grey

#40485F is a blue with RGB values 64, 72, 95 and HSL 225°, 19%, 31%. 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

#40485F#40485F
HEX#40485F
RGBrgb(64, 72, 95)
RGB (0–1)0.251, 0.2824, 0.3725
RGB percentages25.1%, 28.2%, 37.3%
HSLhsl(224.5, 19.5%, 31.2%)
HSV / HSBhsv(224.5, 32.6%, 37.3%)
CMYK32.6%, 24.2%, 0%, 62.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,212,831
CSS custom property--colour: #40485F;

Brightness & contrast

Relative luminance0.06551WCAG 2.x, 0 is black and 1 is white
Perceived brightness72.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.09:1
Contrast with white9.09:1WCAG normal text: AAA
Contrast with black2.31:1WCAG normal text: Fail
Greyscale equivalent#484848
Inverted#BFB7A0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#414A60no red cones; affects about 1% of men; ΔE 1.1 from the original
Deuteranopia#3E475Eno green cones; the most common form, about 1% of men; ΔE 0.6 from the original
Tritanopia#384C50no blue cones; rare, and affects men and women equally; ΔE 13.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.09:1WCAG large text: AAA
Contrast with black, large text2.31:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 18.2Dim grey · ΔE 20.2Slate grey · ΔE 23Light slate grey · ΔE 25.9Gray · ΔE 27.2Steel blue · ΔE 28.8
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 18.2, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5F5740
Analogous#40585F, #47405F
Triadic#5F4048, #485F40
Split complementary#5F4740, #585F40
Tetradic#5F4058, #5F5740, #405F47

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A7AFC4
Lighter +30%#8993AF
Lighter +20%#6A779B
Lighter +10%#555F7D
Darker −10%#2B3141
Darker −20%#171A22
Darker −30%#020304
Darker −40%#000000
More saturated +25%#2C3E73
Less saturated −25%#505050

Channel breakdown

R64
G72
B95
Red64 (25.1%)
Green72 (28.2%)
Blue95 (37.3%)
Hue224.52°
Saturation (HSL)19.5%
Lightness31.18%
Dominant channelBlue
Hex per channelR 40 · G 48 · B 5F

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Every value on this page was computed from “40485f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.