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Colour

#2B0B00

  • #2B0B00
  • Orange
  • Dark
  • Nearest: Black

#2B0B00 is a orange with RGB values 43, 11, 0 and HSL 15°, 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

#2B0B00#2B0B00
HEX#2B0B00
RGBrgb(43, 11, 0)
RGB (0–1)0.1686, 0.0431, 0
RGB percentages16.9%, 4.3%, 0%
HSLhsl(15.3, 100%, 8.4%)
HSV / HSBhsv(15.3, 100%, 16.9%)
CMYK0%, 74.4%, 100%, 83.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,820,864
CSS custom property--colour: #2B0B00;

Brightness & contrast

Relative luminance0.00753WCAG 2.x, 0 is black and 1 is white
Perceived brightness25 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.25:1
Contrast with white18.25:1WCAG normal text: AAA
Contrast with black1.15:1WCAG normal text: Fail
Greyscale equivalent#111111
Inverted#D4F4FF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#141100no red cones; affects about 1% of men; ΔE 17.1 from the original
Deuteranopia#1C1800no green cones; the most common form, about 1% of men; ΔE 17.5 from the original
Tritanopia#300408no blue cones; rare, and affects men and women equally; ΔE 7.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.25:1WCAG large text: AAA
Contrast with black, large text1.15:1WCAG large text: Fail

Named colours

Black · ΔE 19.8Dark slate grey · ΔE 39.2Dim grey · ΔE 42Saddle brown · ΔE 44.6Maroon · ΔE 46.7Sienna · ΔE 46.9
Nearest named CSS colourBlack (#000000)ΔE 19.8, a distinctly different colour
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#00202B
Analogous#2B000B, #2B2000
Triadic#002B0B, #0B002B
Split complementary#002B21, #000A2B
Tetradic#0B2B00, #00202B, #20002B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F73F00
Lighter +30%#C43200
Lighter +20%#912500
Lighter +10%#5E1800
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#2B0B00
Less saturated −25%#260E05

Channel breakdown

R43
G11
B0
Red43 (16.9%)
Green11 (4.3%)
Blue0 (0%)
Hue15.35°
Saturation (HSL)100%
Lightness8.43%
Dominant channelRed
Hex per channelR 2B · G 0B · B 00

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Every value on this page was computed from “2b0b00” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.