Recognised as Colour

#B3002D

#B3002D
Red
Dark
Nearest: Firebrick

#B3002D is a red with RGB values 179, 0, 45 and HSL 345°, 100%, 35%. It is a dark colour, so white text on it reaches 7.1:1 contrast (AAA for normal text). The nearest named colour is Firebrick.

Colour values

#B3002D#B3002D

HEX#B3002D

RGBrgb(179, 0, 45)

RGB (0–1)0.702, 0, 0.1765

RGB percentages70.2%, 0%, 17.6%

HSLhsl(344.9, 100%, 35.1%)

HSV / HSBhsv(344.9, 100%, 70.2%)

CMYK0%, 100%, 74.9%, 29.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,730,989

CSS custom property--colour: #B3002D;

Brightness & contrast

Relative luminance0.09773WCAG 2.x, 0 is black and 1 is white

Perceived brightness99.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.11:1

Contrast with white7.11:1WCAG normal text: AAA

Contrast with black2.95:1WCAG normal text: Fail

Greyscale equivalent#292929

Inverted#4CFFD2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#47422Dno red cones; affects about 1% of men; ΔE 66.6 from the original

Deuteranopia#6F6427no green cones; the most common form, about 1% of men; ΔE 66.6 from the original

Tritanopia#C5001Ano blue cones; rare, and affects men and women equally; ΔE 16.7 from the original

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

Contrast with white, large text7.11:1WCAG large text: AAA

Contrast with black, large text2.95:1WCAG large text: Fail

Named colours

Firebrick · ΔE 10.6 Brown · ΔE 12.7 Crimson · ΔE 13.5 Dark red · ΔE 18.9 Maroon · ΔE 20.5 Indian red · ΔE 24.8

Nearest named CSS colourFirebrick (#B22222)ΔE 10.62, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00B386

Analogous#B30086, #B32D00

Triadic#2DB300, #002DB3

Split complementary#00B32D, #0086B3

Tetradic#86B300, #00B386, #2D00B3

Tints, shades & saturation

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

Lighter +40%#FF80A0

Lighter +30%#FF4D7A

Lighter +20%#FF1A54

Lighter +10%#E6003A

Darker −10%#800020

Darker −20%#4D0013

Darker −30%#1A0007

Darker −40%#000000

More saturated +25%#B3002D

Less saturated −25%#9D1638

Channel breakdown

R179

B45

Red179 (70.2%)

Green0 (0%)

Blue45 (17.6%)

Hue344.92°

Saturation (HSL)100%

Lightness35.1%

Dominant channelRed

Hex per channelR B3 · G 00 · B 2D

Keep nerding

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

#B3002D

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

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