Nerdulator> put something in

Colour

#B22C47

  • #B22C47
  • Red
  • Dark
  • Nearest: Brown

#B22C47 is a red with RGB values 178, 44, 71 and HSL 348°, 60%, 44%. It is a dark colour, so white text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Brown.

Colour values

#B22C47#B22C47
HEX#B22C47
RGBrgb(178, 44, 71)
RGB (0–1)0.698, 0.1725, 0.2784
RGB percentages69.8%, 17.3%, 27.8%
HSLhsl(347.9, 60.4%, 43.5%)
HSV / HSBhsv(347.9, 75.3%, 69.8%)
CMYK0%, 75.3%, 60.1%, 30.2%naive device-independent conversion; real print needs an ICC profile
24-bit integer11,676,743
CSS custom property--colour: #B22C47;

Brightness & contrast

Relative luminance0.11721WCAG 2.x, 0 is black and 1 is white
Perceived brightness105.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.28:1
Contrast with white6.28:1WCAG normal text: AA
Contrast with black3.34:1WCAG normal text: Fail
Greyscale equivalent#4A4A4A
Inverted#4DD3B8

Colour vision & accessibility

Protanopia#514E47no red cones; affects about 1% of men; ΔE 56.8 from the original
Deuteranopia#736A43no green cones; the most common form, about 1% of men; ΔE 57.7 from the original
Tritanopia#C30037no blue cones; rare, and affects men and women equally; ΔE 16.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.28:1WCAG large text: AAA
Contrast with black, large text3.34:1WCAG large text: AA

Named colours

Nearest named CSS colourBrown (#A52A2A)ΔE 14.6, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#2CB297
Analogous#B22C8A, #B2542C
Triadic#47B22C, #2C47B2
Split complementary#2CB254, #2C8AB2
Tetradic#8AB22C, #2CB297, #542CB2

Tints, shades & saturation

Lighter +40%#EEBCC6
Lighter +30%#E493A3
Lighter +20%#DA6A80
Lighter +10%#D0415E
Darker −10%#892237
Darker −20%#601826
Darker −30%#370E16
Darker −40%#0E0406
More saturated +25%#CE1036
Less saturated −25%#964858

Channel breakdown

R178
G44
B71
Red178 (69.8%)
Green44 (17.3%)
Blue71 (27.8%)
Hue347.91°
Saturation (HSL)60.36%
Lightness43.53%
Dominant channelRed
Hex per channelR B2 · G 2C · B 47

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 “b22c47” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.