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Recognised as Colour

#2D010A

  • #2D010A
  • Red
  • Dark
  • Nearest: Black

#2D010A is a red with RGB values 45, 1, 10 and HSL 348°, 96%, 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

#2D010A#2D010A
HEX#2D010A
RGBrgb(45, 1, 10)
RGB (0–1)0.1765, 0.0039, 0.0392
RGB percentages17.6%, 0.4%, 3.9%
HSLhsl(347.7, 95.7%, 9%)
HSV / HSBhsv(347.7, 97.8%, 17.6%)
CMYK0%, 97.8%, 77.8%, 82.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,949,386
CSS custom property--colour: #2D010A;

Brightness & contrast

Relative luminance0.00602WCAG 2.x, 0 is black and 1 is white
Perceived brightness24.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.74:1
Contrast with white18.74:1WCAG normal text: AAA
Contrast with black1.12:1WCAG normal text: Fail
Greyscale equivalent#0B0B0B
Inverted#D2FEF5

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0C0C0Ano red cones; affects about 1% of men; ΔE 23 from the original
Deuteranopia#181509no green cones; the most common form, about 1% of men; ΔE 23.2 from the original
Tritanopia#320004no blue cones; rare, and affects men and women equally; ΔE 4.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.74:1WCAG large text: AAA
Contrast with black, large text1.12:1WCAG large text: Fail

Named colours

Black · ΔE 23.4Dark slate grey · ΔE 43.5Dim grey · ΔE 45.1Maroon · ΔE 46.8Saddle brown · ΔE 48.8Brown · ΔE 49.6
Nearest named CSS colourBlack (#000000)ΔE 23.41, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#012D24
Analogous#2D0120, #2D0E01
Triadic#0A2D01, #010A2D
Split complementary#012D0E, #01202D
Tetradic#202D01, #012D24, #0E012D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F50536
Lighter +30%#C3042B
Lighter +20%#910320
Lighter +10%#5F0215
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#2E0009
Less saturated −25%#27070D

Channel breakdown

R45
G1
B10
Red45 (17.6%)
Green1 (0.4%)
Blue10 (3.9%)
Hue347.73°
Saturation (HSL)95.65%
Lightness9.02%
Dominant channelRed
Hex per channelR 2D · G 01 · B 0A

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Every value on this page was computed from “2d010a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.