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Colour

#2B0A00

  • #2B0A00
  • Red
  • Dark
  • Nearest: Black

#2B0A00 is a red with RGB values 43, 10, 0 and HSL 14°, 100%, 8%. It is a dark colour, so white text on it reaches 18.3:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#2B0A00#2B0A00
HEX#2B0A00
RGBrgb(43, 10, 0)
RGB (0–1)0.1686, 0.0392, 0
RGB percentages16.9%, 3.9%, 0%
HSLhsl(14, 100%, 8.4%)
HSV / HSBhsv(14, 100%, 16.9%)
CMYK0%, 76.7%, 100%, 83.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,820,608
CSS custom property--colour: #2B0A00;

Brightness & contrast

Relative luminance0.00731WCAG 2.x, 0 is black and 1 is white
Perceived brightness24.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.32:1
Contrast with white18.32:1WCAG normal text: AAA
Contrast with black1.15:1WCAG normal text: Fail
Greyscale equivalent#101010
Inverted#D4F5FF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#141000no red cones; affects about 1% of men; ΔE 17.1 from the original
Deuteranopia#1C1700no green cones; the most common form, about 1% of men; ΔE 17.2 from the original
Tritanopia#300307no blue cones; rare, and affects men and women equally; ΔE 7.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.32:1WCAG large text: AAA
Contrast with black, large text1.15:1WCAG large text: Fail

Named colours

Black · ΔE 20Dark slate grey · ΔE 39.5Dim grey · ΔE 42.2Saddle brown · ΔE 44.9Maroon · ΔE 46.6Sienna · ΔE 47
Nearest named CSS colourBlack (#000000)ΔE 19.97, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#00212B
Analogous#2B000B, #2B2000
Triadic#002B0A, #0A002B
Split complementary#002B20, #000C2B
Tetradic#0B2B00, #00212B, #20002B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F73900
Lighter +30%#C42E00
Lighter +20%#912200
Lighter +10%#5E1600
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#2B0A00
Less saturated −25%#260D05

Channel breakdown

R43
G10
B0
Red43 (16.9%)
Green10 (3.9%)
Blue0 (0%)
Hue13.95°
Saturation (HSL)100%
Lightness8.43%
Dominant channelRed
Hex per channelR 2B · G 0A · B 00

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Every value on this page was computed from “2b0a00” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.