Colour

#CC1100

#CC1100
Red
Dark
Nearest: Orange red

#CC1100 is a red with RGB values 204, 17, 0 and HSL 5°, 100%, 40%. It is a dark colour, so white text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Orange red.

Colour values

#CC1100#CC1100

HEX#CC1100

HEX (short)#C10

RGBrgb(204, 17, 0)

RGB (0–1)0.8, 0.0667, 0

RGB percentages80%, 6.7%, 0%

HSLhsl(5, 100%, 40%)

HSV / HSBhsv(5, 100%, 80%)

CMYK0%, 91.7%, 100%, 20%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,373,696

CSS custom property--colour: #CC1100;

Brightness & contrast

Relative luminance0.13238WCAG 2.x, 0 is black and 1 is white

Perceived brightness112.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.76:1

Contrast with white5.76:1WCAG normal text: AA

Contrast with black3.65:1WCAG normal text: Fail

Greyscale equivalent#383838

Inverted#33EEFF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#584D00no red cones; affects about 1% of men; ΔE 72 from the original

Deuteranopia#837300no green cones; the most common form, about 1% of men; ΔE 70.5 from the original

Tritanopia#E20013no blue cones; rare, and affects men and women equally; ΔE 8.5 from the original

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

Contrast with white, large text5.76:1WCAG large text: AAA

Contrast with black, large text3.65:1WCAG large text: AA

Named colours

Orange red · ΔE 18.8 Red · ΔE 20.1 Firebrick · ΔE 22.2 Tomato · ΔE 23.3 Crimson · ΔE 24.3 Dark red · ΔE 26.4

Nearest named CSS colourOrange red (#FF4500)ΔE 18.84, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00BBCC

Analogous#CC0055, #CC7700

Triadic#00CC11, #1100CC

Split complementary#00CC77, #0055CC

Tetradic#55CC00, #00BBCC, #7700CC

Tints, shades & saturation

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

Lighter +40%#FFA299

Lighter +30%#FF7366

Lighter +20%#FF4433

Lighter +10%#FF1500

Darker −10%#990D00

Darker −20%#660900

Darker −30%#330400

Darker −40%#000000

More saturated +25%#CC1100

Less saturated −25%#B32619

Channel breakdown

R204

G17

Red204 (80%)

Green17 (6.7%)

Blue0 (0%)

Hue5°

Saturation (HSL)100%

Lightness40%

Dominant channelRed

Hex per channelR CC · G 11 · B 00

Keep nerding

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#CC1100

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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