Recognised as Colour

#B3331E

#B3331E
Red
Dark
Nearest: Firebrick

#B3331E is a red with RGB values 179, 51, 30 and HSL 8°, 71%, 41%. It is a dark colour, so white text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#B3331E#B3331E

HEX#B3331E

RGBrgb(179, 51, 30)

RGB (0–1)0.702, 0.2, 0.1176

RGB percentages70.2%, 20%, 11.8%

HSLhsl(8.5, 71.3%, 41%)

HSV / HSBhsv(8.5, 83.2%, 70.2%)

CMYK0%, 71.5%, 83.2%, 29.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,744,030

CSS custom property--colour: #B3331E;

Brightness & contrast

Relative luminance0.12045WCAG 2.x, 0 is black and 1 is white

Perceived brightness105.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.16:1

Contrast with white6.16:1WCAG normal text: AA

Contrast with black3.41:1WCAG normal text: Fail

Greyscale equivalent#4D4D4D

Inverted#4CCCE1

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#594F1Ano red cones; affects about 1% of men; ΔE 55 from the original

Deuteranopia#796C17no green cones; the most common form, about 1% of men; ΔE 55.3 from the original

Tritanopia#C5002Fno blue cones; rare, and affects men and women equally; ΔE 18.3 from the original

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

Contrast with white, large text6.16:1WCAG large text: AAA

Contrast with black, large text3.41:1WCAG large text: AA

Named colours

Firebrick · ΔE 7.2 Brown · ΔE 12 Dark red · ΔE 13.2 Maroon · ΔE 16.4 Sienna · ΔE 22.2 Tomato · ΔE 22.6

Nearest named CSS colourFirebrick (#B22222)ΔE 7.24, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1E9EB3

Analogous#B31E53, #B37E1E

Triadic#1EB333, #331EB3

Split complementary#1EB37E, #1E53B3

Tetradic#53B31E, #1E9EB3, #7E1EB3

Tints, shades & saturation

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

Lighter +40%#F1B6AC

Lighter +30%#EA8F80

Lighter +20%#E26955

Lighter +10%#DB4229

Darker −10%#872717

Darker −20%#5C1A0F

Darker −30%#300E08

Darker −40%#040101

More saturated +25%#CD2004

Less saturated −25%#994638

Channel breakdown

R179

G51

B30

Red179 (70.2%)

Green51 (20%)

Blue30 (11.8%)

Hue8.46°

Saturation (HSL)71.29%

Lightness40.98%

Dominant channelRed

Hex per channelR B3 · G 33 · B 1E

Keep nerding

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

#B3331E

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