Recognised as Colour

#21080F

#21080F
Red
Dark
Nearest: Black

#21080F is a red with RGB values 33, 8, 15 and HSL 343°, 61%, 8%. It is a dark colour, so white text on it reaches 19:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#21080F#21080F

HEX#21080F

RGBrgb(33, 8, 15)

RGB (0–1)0.1294, 0.0314, 0.0588

RGB percentages12.9%, 3.1%, 5.9%

HSLhsl(343.2, 61%, 8%)

HSV / HSBhsv(343.2, 75.8%, 12.9%)

CMYK0%, 75.8%, 54.5%, 87.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,164,751

CSS custom property--colour: #21080F;

Brightness & contrast

Relative luminance0.00531WCAG 2.x, 0 is black and 1 is white

Perceived brightness19.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 18.98:1

Contrast with white18.98:1WCAG normal text: AAA

Contrast with black1.11:1WCAG normal text: Fail

Greyscale equivalent#0E0E0E

Inverted#DEF7F0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0D0D0Fno red cones; affects about 1% of men; ΔE 11.9 from the original

Deuteranopia#13120Eno green cones; the most common form, about 1% of men; ΔE 12.5 from the original

Tritanopia#24060Bno blue cones; rare, and affects men and women equally; ΔE 3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text18.98:1WCAG large text: AAA

Contrast with black, large text1.11:1WCAG large text: Fail

Named colours

Black · ΔE 13 Dark slate grey · ΔE 35.9 Dim grey · ΔE 41.4 Gray · ΔE 50.3 Slate grey · ΔE 51.4 Dark slateblue · ΔE 52.2

Nearest named CSS colourBlack (#000000)ΔE 13.04, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#08211A

Analogous#21081B, #210D08

Triadic#0F2108, #080F21

Split complementary#08210D, #081B21

Tetradic#1C2108, #08211A, #0E0821

Tints, shades & saturation

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

Lighter +40%#C5305A

Lighter +30%#9C2647

Lighter +20%#731C34

Lighter +10%#4A1222

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#26030D

Less saturated −25%#1C0D11

Channel breakdown

R33

B15

Red33 (12.9%)

Green8 (3.1%)

Blue15 (5.9%)

Hue343.2°

Saturation (HSL)60.98%

Lightness8.04%

Dominant channelRed

Hex per channelR 21 · G 08 · B 0F

Keep nerding

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

#21080F

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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