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Recognised as Colour

#170A08

  • #170A08
  • Red
  • Dark
  • Nearest: Black

#170A08 is a red with RGB values 23, 10, 8 and HSL 8°, 48%, 6%. It is a dark colour, so white text on it reaches 19.4:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#170A08#170A08
HEX#170A08
RGBrgb(23, 10, 8)
RGB (0–1)0.0902, 0.0392, 0.0314
RGB percentages9%, 3.9%, 3.1%
HSLhsl(8, 48.4%, 6.1%)
HSV / HSBhsv(8, 65.2%, 9%)
CMYK0%, 56.5%, 65.2%, 91%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,509,896
CSS custom property--colour: #170A08;

Brightness & contrast

Relative luminance0.00417WCAG 2.x, 0 is black and 1 is white
Perceived brightness15 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 19.38:1
Contrast with white19.38:1WCAG normal text: AAA
Contrast with black1.08:1WCAG normal text: Fail
Greyscale equivalent#0D0D0D
Inverted#E8F5F7

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0D0C08no red cones; affects about 1% of men; ΔE 4.8 from the original
Deuteranopia#100E08no green cones; the most common form, about 1% of men; ΔE 4.7 from the original
Tritanopia#1A0809no blue cones; rare, and affects men and women equally; ΔE 2.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text19.38:1WCAG large text: AAA
Contrast with black, large text1.08:1WCAG large text: Fail

Named colours

Black · ΔE 6.3Dark slate grey · ΔE 32.5Dim grey · ΔE 41Gray · ΔE 50.1Slate grey · ΔE 51.2Dark olivegreen · ΔE 53.1
Nearest named CSS colourBlack (#000000)ΔE 6.35, clearly different but related
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#081517
Analogous#17080D, #171208
Triadic#08170A, #0A0817
Split complementary#081712, #080E17
Tetradic#0E1708, #081517, #120817

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#AE4C3D
Lighter +30%#893B2F
Lighter +20%#632B22
Lighter +10%#3D1A15
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1B0704
Less saturated −25%#130D0C

Channel breakdown

R23
G10
B8
Red23 (9%)
Green10 (3.9%)
Blue8 (3.1%)
Hue8°
Saturation (HSL)48.39%
Lightness6.08%
Dominant channelRed
Hex per channelR 17 · G 0A · B 08

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Every value on this page was computed from “170a08” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.