Nerdulator> put something in

Recognised as Colour

#2A090B

  • #2A090B
  • Red
  • Dark
  • Nearest: Black

#2A090B is a red with RGB values 42, 9, 11 and HSL 356°, 65%, 10%. It is a dark colour, so white text on it reaches 18.4:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#2A090B#2A090B
HEX#2A090B
RGBrgb(42, 9, 11)
RGB (0–1)0.1647, 0.0353, 0.0431
RGB percentages16.5%, 3.5%, 4.3%
HSLhsl(356.4, 64.7%, 10%)
HSV / HSBhsv(356.4, 78.6%, 16.5%)
CMYK0%, 78.6%, 73.8%, 83.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,754,827
CSS custom property--colour: #2A090B;

Brightness & contrast

Relative luminance0.00712WCAG 2.x, 0 is black and 1 is white
Perceived brightness24.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.38:1
Contrast with white18.38:1WCAG normal text: AAA
Contrast with black1.14:1WCAG normal text: Fail
Greyscale equivalent#101010
Inverted#D5F6F4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#11100Bno red cones; affects about 1% of men; ΔE 17.7 from the original
Deuteranopia#1A170Ano green cones; the most common form, about 1% of men; ΔE 18 from the original
Tritanopia#2F040Ano blue cones; rare, and affects men and women equally; ΔE 5.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.38:1WCAG large text: AAA
Contrast with black, large text1.14:1WCAG large text: Fail

Named colours

Black · ΔE 18.8Dark slate grey · ΔE 38.9Dim grey · ΔE 41.9Saddle brown · ΔE 48.2Maroon · ΔE 49Sienna · ΔE 49.6
Nearest named CSS colourBlack (#000000)ΔE 18.84, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#092A28
Analogous#2A091B, #2A1809
Triadic#0B2A09, #090B2A
Split complementary#092A18, #091B2A
Tetradic#1B2A09, #092A28, #18092A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D22D37
Lighter +30%#A8242C
Lighter +20%#7E1B21
Lighter +10%#541216
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#300305
Less saturated −25%#240F11

Channel breakdown

R42
G9
B11
Red42 (16.5%)
Green9 (3.5%)
Blue11 (4.3%)
Hue356.36°
Saturation (HSL)64.71%
Lightness10%
Dominant channelRed
Hex per channelR 2A · G 09 · B 0B

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “2a090b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.