Nerdulator> put something in

Recognised as Colour

#490B22

  • #490B22
  • Red
  • Dark
  • Nearest: Black

#490B22 is a red with RGB values 73, 11, 34 and HSL 338°, 74%, 16%. It is a dark colour, so white text on it reaches 15.5:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#490B22#490B22
HEX#490B22
RGBrgb(73, 11, 34)
RGB (0–1)0.2863, 0.0431, 0.1333
RGB percentages28.6%, 4.3%, 13.3%
HSLhsl(337.7, 73.8%, 16.5%)
HSV / HSBhsv(337.7, 84.9%, 28.6%)
CMYK0%, 84.9%, 53.4%, 71.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,786,978
CSS custom property--colour: #490B22;

Brightness & contrast

Relative luminance0.01771WCAG 2.x, 0 is black and 1 is white
Perceived brightness42.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.51:1
Contrast with white15.51:1WCAG normal text: AAA
Contrast with black1.35:1WCAG normal text: Fail
Greyscale equivalent#1A1A1A
Inverted#B6F4DD

Colour vision & accessibility

Protanopia#1A1C23no red cones; affects about 1% of men; ΔE 30.5 from the original
Deuteranopia#2B2821no green cones; the most common form, about 1% of men; ΔE 30.7 from the original
Tritanopia#500115no blue cones; rare, and affects men and women equally; ΔE 11 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text15.51:1WCAG large text: AAA
Contrast with black, large text1.35:1WCAG large text: Fail

Named colours

Nearest named CSS colourBlack (#000000)ΔE 33.62, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#0B4932
Analogous#490B41, #49130B
Triadic#22490B, #0B2249
Split complementary#0B4913, #0B4149
Tetradic#41490B, #0B4932, #130B49

Tints, shades & saturation

Lighter +40%#E23E7B
Lighter +30%#CE1F60
Lighter +20%#A2184B
Lighter +10%#751237
Darker −10%#1D040D
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#53001F
Less saturated −25%#3E1525

Channel breakdown

R73
G11
B34
Red73 (28.6%)
Green11 (4.3%)
Blue34 (13.3%)
Hue337.74°
Saturation (HSL)73.81%
Lightness16.47%
Dominant channelRed
Hex per channelR 49 · G 0B · B 22

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “490b22” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.