Colour

#23000F

#23000F
Red
Dark
Nearest: Black

#23000F is a red with RGB values 35, 0, 15 and HSL 334°, 100%, 7%. It is a dark colour, so white text on it reaches 19.5:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#23000F#23000F

HEX#23000F

RGBrgb(35, 0, 15)

RGB (0–1)0.1373, 0, 0.0588

RGB percentages13.7%, 0%, 5.9%

HSLhsl(334.3, 100%, 6.9%)

HSV / HSBhsv(334.3, 100%, 13.7%)

CMYK0%, 100%, 57.1%, 86.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,293,775

CSS custom property--colour: #23000F;

Brightness & contrast

Relative luminance0.00392WCAG 2.x, 0 is black and 1 is white

Perceived brightness19.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 19.47:1

Contrast with white19.47:1WCAG normal text: AAA

Contrast with black1.08:1WCAG normal text: Fail

Greyscale equivalent#090909

Inverted#DCFFF0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#05080Fno red cones; affects about 1% of men; ΔE 16.6 from the original

Deuteranopia#100F0Eno green cones; the most common form, about 1% of men; ΔE 16.6 from the original

Tritanopia#270005no blue cones; rare, and affects men and women equally; ΔE 5.4 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text19.47:1WCAG large text: AAA

Contrast with black, large text1.08:1WCAG large text: Fail

Named colours

Black · ΔE 17.1 Dark slate grey · ΔE 39.8 Dim grey · ΔE 44.1 Dark slateblue · ΔE 50.3 Midnight blue · ΔE 52.5 Gray · ΔE 52.8

Nearest named CSS colourBlack (#000000)ΔE 17.06, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#002314

Analogous#230021, #230300

Triadic#0F2300, #000F23

Split complementary#002302, #002123

Tetradic#212300, #002314, #020023

Tints, shades & saturation

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

Lighter +40%#EF0066

Lighter +30%#BC0051

Lighter +20%#89003B

Lighter +10%#560025

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#23000F

Less saturated −25%#1F0410

Channel breakdown

R35

B15

Red35 (13.7%)

Green0 (0%)

Blue15 (5.9%)

Hue334.29°

Saturation (HSL)100%

Lightness6.86%

Dominant channelRed

Hex per channelR 23 · G 00 · B 0F

Keep nerding

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#23000F

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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