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Recognised as Colour

#42111A

  • #42111A
  • Red
  • Dark
  • Nearest: Black

#42111A is a red with RGB values 66, 17, 26 and HSL 349°, 59%, 16%. It is a dark colour, so white text on it reaches 15.8:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#42111A#42111A
HEX#42111A
RGBrgb(66, 17, 26)
RGB (0–1)0.2588, 0.0667, 0.102
RGB percentages25.9%, 6.7%, 10.2%
HSLhsl(349, 59%, 16.3%)
HSV / HSBhsv(349, 74.2%, 25.9%)
CMYK0%, 74.2%, 60.6%, 74.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,329,754
CSS custom property--colour: #42111A;

Brightness & contrast

Relative luminance0.01634WCAG 2.x, 0 is black and 1 is white
Perceived brightness39.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.83:1
Contrast with white15.83:1WCAG normal text: AAA
Contrast with black1.33:1WCAG normal text: Fail
Greyscale equivalent#1C1C1C
Inverted#BDEEE5

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1D1C1Ano red cones; affects about 1% of men; ΔE 25.2 from the original
Deuteranopia#292619no green cones; the most common form, about 1% of men; ΔE 25.8 from the original
Tritanopia#490815no blue cones; rare, and affects men and women equally; ΔE 7.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text15.83:1WCAG large text: AAA
Contrast with black, large text1.33:1WCAG large text: Fail

Named colours

Black · ΔE 28.7Dim grey · ΔE 40Maroon · ΔE 41Dark slate grey · ΔE 41.7Saddle brown · ΔE 41.8Sienna · ΔE 42.1
Nearest named CSS colourBlack (#000000)ΔE 28.7, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#114239
Analogous#421133, #422011
Triadic#1A4211, #111A42
Split complementary#114220, #113342
Tetradic#334211, #114239, #201142

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D14E66
Lighter +30%#BC304A
Lighter +20%#93263A
Lighter +10%#6B1B2A
Darker −10%#19070A
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#4C0713
Less saturated −25%#381B21

Channel breakdown

R66
G17
B26
Red66 (25.9%)
Green17 (6.7%)
Blue26 (10.2%)
Hue348.98°
Saturation (HSL)59.04%
Lightness16.27%
Dominant channelRed
Hex per channelR 42 · G 11 · B 1A

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Every value on this page was computed from “42111a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.