Recognised as Colour

#B03815

#B03815
Red
Dark
Nearest: Firebrick

#B03815 is a red with RGB values 176, 56, 21 and HSL 14°, 79%, 39%. It is a dark colour, so white text on it reaches 6.1:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#B03815#B03815

HEX#B03815

RGBrgb(176, 56, 21)

RGB (0–1)0.6902, 0.2196, 0.0824

RGB percentages69%, 22%, 8.2%

HSLhsl(13.5, 78.7%, 38.6%)

HSV / HSBhsv(13.5, 88.1%, 69%)

CMYK0%, 68.2%, 88.1%, 31%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,548,693

CSS custom property--colour: #B03815;

Brightness & contrast

Relative luminance0.12113WCAG 2.x, 0 is black and 1 is white

Perceived brightness105.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.14:1

Contrast with white6.14:1WCAG normal text: AA

Contrast with black3.42:1WCAG normal text: Fail

Greyscale equivalent#4F4F4F

Inverted#4FC7EA

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5C510Eno red cones; affects about 1% of men; ΔE 51.7 from the original

Deuteranopia#796C0Cno green cones; the most common form, about 1% of men; ΔE 52.4 from the original

Tritanopia#C20D32no blue cones; rare, and affects men and women equally; ΔE 22.8 from the original

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

Contrast with white, large text6.14:1WCAG large text: AAA

Contrast with black, large text3.42:1WCAG large text: AA

Named colours

Firebrick · ΔE 12.2 Dark red · ΔE 14.6 Brown · ΔE 16.1 Maroon · ΔE 17.8 Chocolate · ΔE 20.8 Sienna · ΔE 20.9

Nearest named CSS colourFirebrick (#B22222)ΔE 12.23, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#158DB0

Analogous#B01540, #B08615

Triadic#15B038, #3815B0

Split complementary#15B085, #1540B0

Tetradic#3FB015, #158DB0, #8515B0

Tints, shades & saturation

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

Lighter +40%#F3B19E

Lighter +30%#EE8C70

Lighter +20%#E96842

Lighter +10%#DE461A

Darker −10%#822A10

Darker −20%#551B0A

Darker −30%#270D05

Darker −40%#000000

More saturated +25%#C52C00

Less saturated −25%#97462E

Channel breakdown

R176

G56

B21

Red176 (69%)

Green56 (22%)

Blue21 (8.2%)

Hue13.55°

Saturation (HSL)78.68%

Lightness38.63%

Dominant channelRed

Hex per channelR B0 · G 38 · B 15

Keep nerding

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

#B03815

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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