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Recognised as Colour

#B5575D

  • #B5575D
  • Red
  • Dark
  • Nearest: Indian red

#B5575D is a red with RGB values 181, 87, 93 and HSL 356°, 39%, 53%. It is a dark colour, so white text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Indian red.

Colour values

#B5575D#B5575D
HEX#B5575D
RGBrgb(181, 87, 93)
RGB (0–1)0.7098, 0.3412, 0.3647
RGB percentages71%, 34.1%, 36.5%
HSLhsl(356.2, 38.8%, 52.5%)
HSV / HSBhsv(356.2, 51.9%, 71%)
CMYK0%, 51.9%, 48.6%, 29%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,884,381
CSS custom property--colour: #B5575D;

Brightness & contrast

Relative luminance0.1743WCAG 2.x, 0 is black and 1 is white
Perceived brightness123.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.68:1
Contrast with white4.68:1WCAG normal text: AA
Contrast with black4.49:1WCAG normal text: Fail
Greyscale equivalent#6B6B6B
Inverted#4AA8A2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6B685Dno red cones; affects about 1% of men; ΔE 40.7 from the original
Deuteranopia#837B5Bno green cones; the most common form, about 1% of men; ΔE 41.2 from the original
Tritanopia#C44A5Ano blue cones; rare, and affects men and women equally; ΔE 11.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.68:1WCAG large text: AAA
Contrast with black, large text4.49:1WCAG large text: AA

Named colours

Indian red · ΔE 10.7Light coral · ΔE 18.5Pale violetred · ΔE 19.8Brown · ΔE 22.4Sienna · ΔE 23.5Salmon · ΔE 24.3
Nearest named CSS colourIndian red (#CD5C5C)ΔE 10.7, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#57B5AF
Analogous#B5578C, #B58057
Triadic#5DB557, #575DB5
Split complementary#57B580, #578CB5
Tetradic#8CB557, #57B5AF, #8057B5

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F3E5E6
Lighter +30%#E4C1C3
Lighter +20%#D49EA1
Lighter +10%#C57A7F
Darker −10%#974248
Darker −20%#733337
Darker −30%#502326
Darker −40%#2C1415
More saturated +25%#D33943
Less saturated −25%#977577

Channel breakdown

R181
G87
B93
Red181 (71%)
Green87 (34.1%)
Blue93 (36.5%)
Hue356.17°
Saturation (HSL)38.84%
Lightness52.55%
Dominant channelRed
Hex per channelR B5 · G 57 · B 5D

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Every value on this page was computed from “b5575d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.