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Recognised as Colour

#17070A

  • #17070A
  • Red
  • Dark
  • Nearest: Black

#17070A is a red with RGB values 23, 7, 10 and HSL 349°, 53%, 6%. It is a dark colour, so white text on it reaches 19.6:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#17070A#17070A
HEX#17070A
RGBrgb(23, 7, 10)
RGB (0–1)0.0902, 0.0275, 0.0392
RGB percentages9%, 2.7%, 3.9%
HSLhsl(348.8, 53.3%, 5.9%)
HSV / HSBhsv(348.8, 69.6%, 9%)
CMYK0%, 69.6%, 56.5%, 91%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,509,130
CSS custom property--colour: #17070A;

Brightness & contrast

Relative luminance0.00356WCAG 2.x, 0 is black and 1 is white
Perceived brightness14.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 19.6:1
Contrast with white19.6:1WCAG normal text: AAA
Contrast with black1.07:1WCAG normal text: Fail
Greyscale equivalent#0B0B0B
Inverted#E8F8F5

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0A0A0Ano red cones; affects about 1% of men; ΔE 6 from the original
Deuteranopia#0E0D0Ano green cones; the most common form, about 1% of men; ΔE 6.1 from the original
Tritanopia#1A0608no blue cones; rare, and affects men and women equally; ΔE 1.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text19.6:1WCAG large text: AAA
Contrast with black, large text1.07:1WCAG large text: Fail

Named colours

Black · ΔE 6.8Dark slate grey · ΔE 33.5Dim grey · ΔE 41.6Gray · ΔE 50.7Slate grey · ΔE 51.6Light slate grey · ΔE 54.7
Nearest named CSS colourBlack (#000000)ΔE 6.83, clearly different but related
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#071714
Analogous#170712, #170C07
Triadic#0A1707, #070A17
Split complementary#07170C, #071217
Tetradic#121707, #071714, #0C0717

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B3374E
Lighter +30%#8C2B3D
Lighter +20%#651F2C
Lighter +10%#3E131B
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1B0308
Less saturated −25%#130B0C

Channel breakdown

R23
G7
B10
Red23 (9%)
Green7 (2.7%)
Blue10 (3.9%)
Hue348.75°
Saturation (HSL)53.33%
Lightness5.88%
Dominant channelRed
Hex per channelR 17 · G 07 · B 0A

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Every value on this page was computed from “17070a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.