Recognised as Colour

#301B21

#301B21
Red
Dark
Nearest: Black

#301B21 is a red with RGB values 48, 27, 33 and HSL 343°, 28%, 15%. It is a dark colour, so white text on it reaches 16.1:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#301B21#301B21

HEX#301B21

RGBrgb(48, 27, 33)

RGB (0–1)0.1882, 0.1059, 0.1294

RGB percentages18.8%, 10.6%, 12.9%

HSLhsl(342.9, 28%, 14.7%)

HSV / HSBhsv(342.9, 43.8%, 18.8%)

CMYK0%, 43.8%, 31.3%, 81.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,152,673

CSS custom property--colour: #301B21;

Brightness & contrast

Relative luminance0.01522WCAG 2.x, 0 is black and 1 is white

Perceived brightness35.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 16.1:1

Contrast with white16.1:1WCAG normal text: AAA

Contrast with black1.3:1WCAG normal text: Fail

Greyscale equivalent#202020

Inverted#CFE4DE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#1E1F21no red cones; affects about 1% of men; ΔE 11.6 from the original

Deuteranopia#232221no green cones; the most common form, about 1% of men; ΔE 11.2 from the original

Tritanopia#331A1Dno blue cones; rare, and affects men and women equally; ΔE 3.4 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text16.1:1WCAG large text: AAA

Contrast with black, large text1.3:1WCAG large text: Fail

Named colours

Black · ΔE 17.1 Dark slate grey · ΔE 29.9 Dim grey · ΔE 33.7 Gray · ΔE 42.4 Slate grey · ΔE 43.7 Light slate grey · ΔE 46.7

Nearest named CSS colourBlack (#000000)ΔE 17.13, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1B302A

Analogous#301B2C, #301F1B

Triadic#21301B, #1B2130

Split complementary#1B301F, #1B2B30

Tetradic#2C301B, #1B302A, #201B30

Tints, shades & saturation

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

Lighter +40%#AC6B7E

Lighter +30%#925264

Lighter +20%#71404E

Lighter +10%#512D37

Darker −10%#0F090B

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#39121D

Less saturated −25%#272425

Channel breakdown

R48

G27

B33

Red48 (18.8%)

Green27 (10.6%)

Blue33 (12.9%)

Hue342.86°

Saturation (HSL)28%

Lightness14.71%

Dominant channelRed

Hex per channelR 30 · G 1B · B 21

Keep nerding

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

#301B21

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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