Colour

#B41500

#B41500
Red
Dark
Nearest: Firebrick

#B41500 is a red with RGB values 180, 21, 0 and HSL 7°, 100%, 35%. It is a dark colour, so white text on it reaches 6.9:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#B41500#B41500

HEX#B41500

RGBrgb(180, 21, 0)

RGB (0–1)0.7059, 0.0824, 0

RGB percentages70.6%, 8.2%, 0%

HSLhsl(7, 100%, 35.3%)

HSV / HSBhsv(7, 100%, 70.6%)

CMYK0%, 88.3%, 100%, 29.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,801,856

CSS custom property--colour: #B41500;

Brightness & contrast

Relative luminance0.1024WCAG 2.x, 0 is black and 1 is white

Perceived brightness99.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.89:1

Contrast with white6.89:1WCAG normal text: AA

Contrast with black3.05:1WCAG normal text: Fail

Greyscale equivalent#353535

Inverted#4BEAFF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4F4400no red cones; affects about 1% of men; ΔE 63.8 from the original

Deuteranopia#746600no green cones; the most common form, about 1% of men; ΔE 63.3 from the original

Tritanopia#C70015no blue cones; rare, and affects men and women equally; ΔE 9.4 from the original

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

Contrast with white, large text6.89:1WCAG large text: AAA

Contrast with black, large text3.05:1WCAG large text: AA

Named colours

Firebrick · ΔE 14.8 Dark red · ΔE 16.8 Maroon · ΔE 21.8 Brown · ΔE 23.4 Crimson · ΔE 23.7 Tomato · ΔE 24.6

Nearest named CSS colourFirebrick (#B22222)ΔE 14.77, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#009FB4

Analogous#B40045, #B46F00

Triadic#00B415, #1500B4

Split complementary#00B46F, #0045B4

Tetradic#45B400, #009FB4, #6F00B4

Tints, shades & saturation

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

Lighter +40%#FF9081

Lighter +30%#FF634E

Lighter +20%#FF361B

Lighter +10%#E71B00

Darker −10%#810F00

Darker −20%#4E0900

Darker −30%#1B0300

Darker −40%#000000

More saturated +25%#B41500

Less saturated −25%#9E2617

Channel breakdown

R180

G21

Red180 (70.6%)

Green21 (8.2%)

Blue0 (0%)

Hue7°

Saturation (HSL)100%

Lightness35.29%

Dominant channelRed

Hex per channelR B4 · G 15 · B 00

Keep nerding

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

#B41500

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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