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Recognised as Colour

#45172C

  • #45172C
  • Red
  • Dark
  • Nearest: Black

#45172C is a red with RGB values 69, 23, 44 and HSL 333°, 50%, 18%. It is a dark colour, so white text on it reaches 14.9:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#45172C#45172C
HEX#45172C
RGBrgb(69, 23, 44)
RGB (0–1)0.2706, 0.0902, 0.1725
RGB percentages27.1%, 9%, 17.3%
HSLhsl(332.6, 50%, 18%)
HSV / HSBhsv(332.6, 66.7%, 27.1%)
CMYK0%, 66.7%, 36.2%, 72.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,527,916
CSS custom property--colour: #45172C;

Brightness & contrast

Relative luminance0.0206WCAG 2.x, 0 is black and 1 is white
Perceived brightness44.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.87:1
Contrast with white14.87:1WCAG normal text: AAA
Contrast with black1.41:1WCAG normal text: Fail
Greyscale equivalent#222222
Inverted#BAE8D3

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1E222Dno red cones; affects about 1% of men; ΔE 23.9 from the original
Deuteranopia#2A2A2Bno green cones; the most common form, about 1% of men; ΔE 24.5 from the original
Tritanopia#4B141Fno blue cones; rare, and affects men and women equally; ΔE 10.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.87:1WCAG large text: AAA
Contrast with black, large text1.41:1WCAG large text: Fail

Named colours

Black · ΔE 29.4Dim grey · ΔE 37.9Dark slate grey · ΔE 39.5Dark slateblue · ΔE 42Gray · ΔE 45.2Slate grey · ΔE 46.4
Nearest named CSS colourBlack (#000000)ΔE 29.41, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#174530
Analogous#451743, #451917
Triadic#2C4517, #172C45
Split complementary#174519, #174345
Tetradic#434517, #174530, #191745

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C95F8F
Lighter +30%#B83D75
Lighter +20%#92315D
Lighter +10%#6B2444
Darker −10%#1F0A14
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#510C2B
Less saturated −25%#39232D

Channel breakdown

R69
G23
B44
Red69 (27.1%)
Green23 (9%)
Blue44 (17.3%)
Hue332.61°
Saturation (HSL)50%
Lightness18.04%
Dominant channelRed
Hex per channelR 45 · G 17 · B 2C

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Every value on this page was computed from “45172c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.