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Recognised as Colour

#3A150D

  • #3A150D
  • Red
  • Dark
  • Nearest: Black

#3A150D is a red with RGB values 58, 21, 13 and HSL 11°, 63%, 14%. It is a dark colour, so white text on it reaches 16.2:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#3A150D#3A150D
HEX#3A150D
RGBrgb(58, 21, 13)
RGB (0–1)0.2275, 0.0824, 0.051
RGB percentages22.7%, 8.2%, 5.1%
HSLhsl(10.7, 63.4%, 13.9%)
HSV / HSBhsv(10.7, 77.6%, 22.7%)
CMYK0%, 63.8%, 77.6%, 77.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,806,477
CSS custom property--colour: #3A150D;

Brightness & contrast

Relative luminance0.01465WCAG 2.x, 0 is black and 1 is white
Perceived brightness35.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.24:1
Contrast with white16.24:1WCAG normal text: AAA
Contrast with black1.29:1WCAG normal text: Fail
Greyscale equivalent#1C1C1C
Inverted#C5EAF2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1F1B0Cno red cones; affects about 1% of men; ΔE 19 from the original
Deuteranopia#28230Cno green cones; the most common form, about 1% of men; ΔE 19.2 from the original
Tritanopia#400E13no blue cones; rare, and affects men and women equally; ΔE 7.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text16.24:1WCAG large text: AAA
Contrast with black, large text1.29:1WCAG large text: Fail

Named colours

Black · ΔE 25.4Saddle brown · ΔE 38.3Dark slate grey · ΔE 38.9Dim grey · ΔE 39Sienna · ΔE 40.2Maroon · ΔE 41.3
Nearest named CSS colourBlack (#000000)ΔE 25.4, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#0D323A
Analogous#3A0D1B, #3A2C0D
Triadic#0D3A15, #150D3A
Split complementary#0D3A2B, #0D1C3A
Tetradic#1B3A0D, #0D323A, #2C0D3A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D45A3F
Lighter +30%#B74229
Lighter +20%#8D3320
Lighter +10%#642416
Darker −10%#100604
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#430F04
Less saturated −25%#311B16

Channel breakdown

R58
G21
B13
Red58 (22.7%)
Green21 (8.2%)
Blue13 (5.1%)
Hue10.67°
Saturation (HSL)63.38%
Lightness13.92%
Dominant channelRed
Hex per channelR 3A · G 15 · B 0D

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Every value on this page was computed from “3a150d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.