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Recognised as Colour

#3D1524

  • #3D1524
  • Red
  • Dark
  • Nearest: Black

#3D1524 is a red with RGB values 61, 21, 36 and HSL 338°, 49%, 16%. It is a dark colour, so white text on it reaches 15.8:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#3D1524#3D1524
HEX#3D1524
RGBrgb(61, 21, 36)
RGB (0–1)0.2392, 0.0824, 0.1412
RGB percentages23.9%, 8.2%, 14.1%
HSLhsl(337.5, 48.8%, 16.1%)
HSV / HSBhsv(337.5, 65.6%, 23.9%)
CMYK0%, 65.6%, 41%, 76.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,003,108
CSS custom property--colour: #3D1524;

Brightness & contrast

Relative luminance0.01656WCAG 2.x, 0 is black and 1 is white
Perceived brightness39 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.78:1
Contrast with white15.78:1WCAG normal text: AAA
Contrast with black1.33:1WCAG normal text: Fail
Greyscale equivalent#1F1F1F
Inverted#C2EADB

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1C1E24no red cones; affects about 1% of men; ΔE 21.2 from the original
Deuteranopia#262623no green cones; the most common form, about 1% of men; ΔE 22.4 from the original
Tritanopia#42121Bno blue cones; rare, and affects men and women equally; ΔE 7.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text15.78:1WCAG large text: AAA
Contrast with black, large text1.33:1WCAG large text: Fail

Named colours

Black · ΔE 25.4Dim grey · ΔE 37.6Dark slate grey · ΔE 37.7Dark slateblue · ΔE 45.3Gray · ΔE 45.4Slate grey · ΔE 46.9
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#153D2E
Analogous#3D1538, #3D1A15
Triadic#243D15, #15243D
Split complementary#153D1A, #15383D
Tetradic#383D15, #153D2E, #1A153D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C65881
Lighter +30%#AF3C67
Lighter +20%#892F51
Lighter +10%#63223A
Darker −10%#17080E
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#470B21
Less saturated −25%#331F27

Channel breakdown

R61
G21
B36
Red61 (23.9%)
Green21 (8.2%)
Blue36 (14.1%)
Hue337.5°
Saturation (HSL)48.78%
Lightness16.08%
Dominant channelRed
Hex per channelR 3D · G 15 · B 24

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Every value on this page was computed from “3d1524” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.