Colour

#3B0000

#3B0000
Red
Dark
Nearest: Black

#3B0000 is a red with RGB values 59, 0, 0 and HSL 0°, 100%, 12%. It is a dark colour, so white text on it reaches 17.7:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#3B0000#3B0000

HEX#3B0000

RGBrgb(59, 0, 0)

RGB (0–1)0.2314, 0, 0

RGB percentages23.1%, 0%, 0%

HSLhsl(0, 100%, 11.6%)

HSV / HSBhsv(0, 100%, 23.1%)

CMYK0%, 100%, 100%, 76.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,866,624

CSS custom property--colour: #3B0000;

Brightness & contrast

Relative luminance0.0093WCAG 2.x, 0 is black and 1 is white

Perceived brightness32.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 17.71:1

Contrast with white17.71:1WCAG normal text: AAA

Contrast with black1.19:1WCAG normal text: Fail

Greyscale equivalent#0D0D0D

Inverted#C4FFFF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#131000no red cones; affects about 1% of men; ΔE 30.4 from the original

Deuteranopia#221D00no green cones; the most common form, about 1% of men; ΔE 30.4 from the original

Tritanopia#420001no blue cones; rare, and affects men and women equally; ΔE 3.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text17.71:1WCAG large text: AAA

Contrast with black, large text1.19:1WCAG large text: Fail

Named colours

Black · ΔE 32.3 Maroon · ΔE 36.1 Brown · ΔE 40.1 Saddle brown · ΔE 40.2 Dark red · ΔE 41.1 Sienna · ΔE 41.9

Nearest named CSS colourBlack (#000000)ΔE 32.29, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#003B3B

Analogous#3B001D, #3B1D00

Triadic#003B00, #00003B

Split complementary#003B1D, #001D3B

Tetradic#1D3B00, #003B3B, #1D003B

Tints, shades & saturation

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

Lighter +40%#FF0808

Lighter +30%#D40000

Lighter +20%#A10000

Lighter +10%#6E0000

Darker −10%#080000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#3B0000

Less saturated −25%#340707

Channel breakdown

R59

Red59 (23.1%)

Green0 (0%)

Blue0 (0%)

Hue0°

Saturation (HSL)100%

Lightness11.57%

Dominant channelRed

Hex per channelR 3B · G 00 · B 00

Keep nerding

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

#3B0000

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