Colour

#B30730

#B30730
Red
Dark
Nearest: Firebrick

#B30730 is a red with RGB values 179, 7, 48 and HSL 346°, 92%, 36%. It is a dark colour, so white text on it reaches 7:1 contrast (AAA for normal text). The nearest named colour is Firebrick.

Colour values

#B30730#B30730

HEX#B30730

RGBrgb(179, 7, 48)

RGB (0–1)0.702, 0.0275, 0.1882

RGB percentages70.2%, 2.7%, 18.8%

HSLhsl(345.7, 92.5%, 36.5%)

HSV / HSBhsv(345.7, 96.1%, 70.2%)

CMYK0%, 96.1%, 73.2%, 29.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,732,784

CSS custom property--colour: #B30730;

Brightness & contrast

Relative luminance0.09949WCAG 2.x, 0 is black and 1 is white

Perceived brightness99.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.02:1

Contrast with white7.02:1WCAG normal text: AAA

Contrast with black2.99:1WCAG normal text: Fail

Greyscale equivalent#2F2F2F

Inverted#4CF8CF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#484330no red cones; affects about 1% of men; ΔE 65.6 from the original

Deuteranopia#70652Ano green cones; the most common form, about 1% of men; ΔE 65.8 from the original

Tritanopia#C5001Dno blue cones; rare, and affects men and women equally; ΔE 16.8 from the original

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

Contrast with white, large text7.02:1WCAG large text: AAA

Contrast with black, large text2.99:1WCAG large text: Fail

Named colours

Firebrick · ΔE 11.4 Brown · ΔE 12.3 Crimson · ΔE 14.3 Dark red · ΔE 19.7 Maroon · ΔE 21 Indian red · ΔE 23.7

Nearest named CSS colourFirebrick (#B22222)ΔE 11.43, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#07B38A

Analogous#B30786, #B33407

Triadic#30B307, #0730B3

Split complementary#07B334, #0786B3

Tetradic#86B307, #07B38A, #3407B3

Tints, shades & saturation

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

Lighter +40%#FA8CA6

Lighter +30%#F95A80

Lighter +20%#F7295A

Lighter +10%#E4093D

Darker −10%#820523

Darker −20%#510316

Darker −30%#200109

Darker −40%#000000

More saturated +25%#BA002C

Less saturated −25%#9C1E3C

Channel breakdown

R179

B48

Red179 (70.2%)

Green7 (2.7%)

Blue48 (18.8%)

Hue345.7°

Saturation (HSL)92.47%

Lightness36.47%

Dominant channelRed

Hex per channelR B3 · G 07 · B 30

Keep nerding

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

#B30730

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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