Recognised as Colour

#28090E

#28090E
Red
Dark
Nearest: Black

#28090E is a red with RGB values 40, 9, 14 and HSL 350°, 63%, 10%. It is a dark colour, so white text on it reaches 18.5:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#28090E#28090E

HEX#28090E

RGBrgb(40, 9, 14)

RGB (0–1)0.1569, 0.0353, 0.0549

RGB percentages15.7%, 3.5%, 5.5%

HSLhsl(350.3, 63.3%, 9.6%)

HSV / HSBhsv(350.3, 77.5%, 15.7%)

CMYK0%, 77.5%, 65%, 84.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,623,758

CSS custom property--colour: #28090E;

Brightness & contrast

Relative luminance0.00678WCAG 2.x, 0 is black and 1 is white

Perceived brightness23.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 18.49:1

Contrast with white18.49:1WCAG normal text: AAA

Contrast with black1.14:1WCAG normal text: Fail

Greyscale equivalent#101010

Inverted#D7F6F1

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#10100Eno red cones; affects about 1% of men; ΔE 16.7 from the original

Deuteranopia#18160Dno green cones; the most common form, about 1% of men; ΔE 17.1 from the original

Tritanopia#2C050Bno blue cones; rare, and affects men and women equally; ΔE 4.1 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text18.49:1WCAG large text: AAA

Contrast with black, large text1.14:1WCAG large text: Fail

Named colours

Black · ΔE 17.5 Dark slate grey · ΔE 38.2 Dim grey · ΔE 41.7 Saddle brown · ΔE 49.9 Gray · ΔE 50.2 Maroon · ΔE 50.9

Nearest named CSS colourBlack (#000000)ΔE 17.55, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#092823

Analogous#28091E, #281309

Triadic#0E2809, #090E28

Split complementary#092813, #091E28

Tetradic#1E2809, #092823, #130928

Tints, shades & saturation

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

Lighter +40%#CF2E48

Lighter +30%#A5253A

Lighter +20%#7B1C2B

Lighter +10%#52121D

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#2E030A

Less saturated −25%#220F12

Channel breakdown

R40

B14

Red40 (15.7%)

Green9 (3.5%)

Blue14 (5.5%)

Hue350.32°

Saturation (HSL)63.27%

Lightness9.61%

Dominant channelRed

Hex per channelR 28 · G 09 · B 0E

Keep nerding

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

#28090E

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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