Colour

#CC0017

#CC0017
Red
Dark
Nearest: Crimson

#CC0017 is a red with RGB values 204, 0, 23 and HSL 353°, 100%, 40%. It is a dark colour, so white text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#CC0017#CC0017

HEX#CC0017

RGBrgb(204, 0, 23)

RGB (0–1)0.8, 0, 0.0902

RGB percentages80%, 0%, 9%

HSLhsl(353.2, 100%, 40%)

HSV / HSBhsv(353.2, 100%, 80%)

CMYK0%, 100%, 88.7%, 20%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,369,367

CSS custom property--colour: #CC0017;

Brightness & contrast

Relative luminance0.12899WCAG 2.x, 0 is black and 1 is white

Perceived brightness111.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.87:1

Contrast with white5.87:1WCAG normal text: AA

Contrast with black3.58:1WCAG normal text: Fail

Greyscale equivalent#2D2D2D

Inverted#33FFE8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#554B13no red cones; affects about 1% of men; ΔE 73.3 from the original

Deuteranopia#817204no green cones; the most common form, about 1% of men; ΔE 72.9 from the original

Tritanopia#E10011no blue cones; rare, and affects men and women equally; ΔE 10.1 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text5.87:1WCAG large text: AAA

Contrast with black, large text3.58:1WCAG large text: AA

Named colours

Crimson · ΔE 15.8 Firebrick · ΔE 16.6 Tomato · ΔE 22.1 Dark red · ΔE 23.4 Red · ΔE 24.7 Orange red · ΔE 25.4

Nearest named CSS colourCrimson (#DC143C)ΔE 15.78, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00CCB5

Analogous#CC007D, #CC4F00

Triadic#17CC00, #0017CC

Split complementary#00CC4F, #007DCC

Tetradic#7DCC00, #00CCB5, #4F00CC

Tints, shades & saturation

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

Lighter +40%#FF99A4

Lighter +30%#FF6677

Lighter +20%#FF334A

Lighter +10%#FF001D

Darker −10%#990011

Darker −20%#66000B

Darker −30%#330006

Darker −40%#000000

More saturated +25%#CC0017

Less saturated −25%#B3192B

Channel breakdown

R204

B23

Red204 (80%)

Green0 (0%)

Blue23 (9%)

Hue353.24°

Saturation (HSL)100%

Lightness40%

Dominant channelRed

Hex per channelR CC · G 00 · B 17

Keep nerding

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

#CC0017

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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