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Recognised as Colour

#2A0508

  • #2A0508
  • Red
  • Dark
  • Nearest: Black

#2A0508 is a red with RGB values 42, 5, 8 and HSL 355°, 79%, 9%. It is a dark colour, so white text on it reaches 18.7:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#2A0508#2A0508
HEX#2A0508
RGBrgb(42, 5, 8)
RGB (0–1)0.1647, 0.0196, 0.0314
RGB percentages16.5%, 2%, 3.1%
HSLhsl(355.1, 78.7%, 9.2%)
HSV / HSBhsv(355.1, 88.1%, 16.5%)
CMYK0%, 88.1%, 81%, 83.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,753,800
CSS custom property--colour: #2A0508;

Brightness & contrast

Relative luminance0.00618WCAG 2.x, 0 is black and 1 is white
Perceived brightness23.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.69:1
Contrast with white18.69:1WCAG normal text: AAA
Contrast with black1.12:1WCAG normal text: Fail
Greyscale equivalent#0D0D0D
Inverted#D5FAF7

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0F0D08no red cones; affects about 1% of men; ΔE 18.9 from the original
Deuteranopia#181507no green cones; the most common form, about 1% of men; ΔE 19.6 from the original
Tritanopia#2F0006no blue cones; rare, and affects men and women equally; ΔE 5.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.69:1WCAG large text: AAA
Contrast with black, large text1.12:1WCAG large text: Fail

Named colours

Black · ΔE 20Dark slate grey · ΔE 40.6Dim grey · ΔE 43.3Maroon · ΔE 48.4Saddle brown · ΔE 48.4Sienna · ΔE 49.9
Nearest named CSS colourBlack (#000000)ΔE 20, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#052A27
Analogous#2A051A, #2A1505
Triadic#082A05, #05082A
Split complementary#052A15, #051A2A
Tetradic#1A2A05, #052A27, #15052A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E01B2B
Lighter +30%#B31522
Lighter +20%#851019
Lighter +10%#580A11
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#2F0004
Less saturated −25%#240B0D

Channel breakdown

R42
G5
B8
Red42 (16.5%)
Green5 (2%)
Blue8 (3.1%)
Hue355.14°
Saturation (HSL)78.72%
Lightness9.22%
Dominant channelRed
Hex per channelR 2A · G 05 · B 08

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Every value on this page was computed from “2a0508” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.