Recognised as Colour

#871F30

#871F30
Red
Dark
Nearest: Brown

#871F30 is a red with RGB values 135, 31, 48 and HSL 350°, 63%, 33%. It is a dark colour, so white text on it reaches 9.3:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#871F30#871F30

HEX#871F30

RGBrgb(135, 31, 48)

RGB (0–1)0.5294, 0.1216, 0.1882

RGB percentages52.9%, 12.2%, 18.8%

HSLhsl(350.2, 62.7%, 32.5%)

HSV / HSBhsv(350.2, 77%, 52.9%)

CMYK0%, 77%, 64.4%, 47.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer8,855,344

CSS custom property--colour: #871F30;

Brightness & contrast

Relative luminance0.06344WCAG 2.x, 0 is black and 1 is white

Perceived brightness79.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.26:1

Contrast with white9.26:1WCAG normal text: AAA

Contrast with black2.27:1WCAG normal text: Fail

Greyscale equivalent#363636

Inverted#78E0CF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#3C3930no red cones; affects about 1% of men; ΔE 46.5 from the original

Deuteranopia#564F2Dno green cones; the most common form, about 1% of men; ΔE 47.3 from the original

Tritanopia#940026no blue cones; rare, and affects men and women equally; ΔE 12.4 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text9.26:1WCAG large text: AAA

Contrast with black, large text2.27:1WCAG large text: Fail

Named colours

Brown · ΔE 16.6 Maroon · ΔE 22.3 Indian red · ΔE 23.8 Firebrick · ΔE 25.6 Dark red · ΔE 25.7 Sienna · ΔE 27.8

Nearest named CSS colourBrown (#A52A2A)ΔE 16.65, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#1F8776

Analogous#871F64, #87421F

Triadic#30871F, #1F3087

Split complementary#1F8742, #1F6487

Tetradic#64871F, #1F8776, #421F87

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#E58D9B

Lighter +30%#DB6477

Lighter +20%#D23A53

Lighter +10%#B0293F

Darker −10%#5E1521

Darker −20%#340C13

Darker −30%#0B0204

Darker −40%#000000

More saturated +25%#9C0A22

Less saturated −25%#72343E

Channel breakdown

R135

G31

B48

Red135 (52.9%)

Green31 (12.2%)

Blue48 (18.8%)

Hue350.19°

Saturation (HSL)62.65%

Lightness32.55%

Dominant channelRed

Hex per channelR 87 · G 1F · B 30

Keep nerding

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

#871F30

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

Nerdulate something else