Recognised as Colour

#B03F2B

#B03F2B
Red
Dark
Nearest: Brown

#B03F2B is a red with RGB values 176, 63, 43 and HSL 9°, 61%, 43%. It is a dark colour, so white text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Brown.

Colour values

#B03F2B#B03F2B

HEX#B03F2B

RGBrgb(176, 63, 43)

RGB (0–1)0.6902, 0.2471, 0.1686

RGB percentages69%, 24.7%, 16.9%

HSLhsl(9, 60.7%, 42.9%)

HSV / HSBhsv(9, 75.6%, 69%)

CMYK0%, 64.2%, 75.6%, 31%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,550,507

CSS custom property--colour: #B03F2B;

Brightness & contrast

Relative luminance0.1296WCAG 2.x, 0 is black and 1 is white

Perceived brightness108.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.85:1

Contrast with white5.85:1WCAG normal text: AA

Contrast with black3.59:1WCAG normal text: Fail

Greyscale equivalent#565656

Inverted#4FC0D4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5F5528no red cones; affects about 1% of men; ΔE 48.7 from the original

Deuteranopia#7B6E27no green cones; the most common form, about 1% of men; ΔE 49.1 from the original

Tritanopia#C2223Bno blue cones; rare, and affects men and women equally; ΔE 18.6 from the original

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

Contrast with white, large text5.85:1WCAG large text: AAA

Contrast with black, large text3.59:1WCAG large text: AA

Named colours

Brown · ΔE 9.1 Firebrick · ΔE 11.6 Sienna · ΔE 15.7 Dark red · ΔE 16.6 Maroon · ΔE 17.5 Indian red · ΔE 17.7

Nearest named CSS colourBrown (#A52A2A)ΔE 9.07, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2B9CB0

Analogous#B02B59, #B0822B

Triadic#2BB03F, #3F2BB0

Split complementary#2BB082, #2B59B0

Tetradic#59B02B, #2B9CB0, #822BB0

Tints, shades & saturation

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

Lighter +40%#EEC1B9

Lighter +30%#E49D90

Lighter +20%#DA7867

Lighter +10%#D0543E

Darker −10%#873021

Darker −20%#5E2217

Darker −30%#35130D

Darker −40%#0C0403

More saturated +25%#CB2C10

Less saturated −25%#955246

Channel breakdown

R176

G63

B43

Red176 (69%)

Green63 (24.7%)

Blue43 (16.9%)

Hue9.02°

Saturation (HSL)60.73%

Lightness42.94%

Dominant channelRed

Hex per channelR B0 · G 3F · B 2B

Keep nerding

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

#B03F2B

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