Colour

#DC0017

#DC0017
Red
Dark
Nearest: Red

#DC0017 is a red with RGB values 220, 0, 23 and HSL 354°, 100%, 43%. It is a dark colour, so white text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Red.

Colour values

#DC0017#DC0017

HEX#DC0017

RGBrgb(220, 0, 23)

RGB (0–1)0.8627, 0, 0.0902

RGB percentages86.3%, 0%, 9%

HSLhsl(353.7, 100%, 43.1%)

HSV / HSBhsv(353.7, 100%, 86.3%)

CMYK0%, 100%, 89.5%, 13.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer14,417,943

CSS custom property--colour: #DC0017;

Brightness & contrast

Relative luminance0.15278WCAG 2.x, 0 is black and 1 is white

Perceived brightness120.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.18:1

Contrast with white5.18:1WCAG normal text: AA

Contrast with black4.06:1WCAG normal text: Fail

Greyscale equivalent#303030

Inverted#23FFE8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5C5112no red cones; affects about 1% of men; ΔE 77.6 from the original

Deuteranopia#8C7C00no green cones; the most common form, about 1% of men; ΔE 77.3 from the original

Tritanopia#F30012no blue cones; rare, and affects men and women equally; ΔE 10.4 from the original

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

Contrast with white, large text5.18:1WCAG large text: AAA

Contrast with black, large text4.06:1WCAG large text: AA

Named colours

Red · ΔE 18.4 Crimson · ΔE 18.9 Orange red · ΔE 20.5 Tomato · ΔE 22.3 Firebrick · ΔE 22.8 Dark red · ΔE 29.7

Nearest named CSS colourRed (#FF0000)ΔE 18.35, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00DCC5

Analogous#DC0085, #DC5700

Triadic#17DC00, #0017DC

Split complementary#00DC57, #0085DC

Tetradic#85DC00, #00DCC5, #5700DC

Tints, shades & saturation

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

Lighter +40%#FFA9B2

Lighter +30%#FF7684

Lighter +20%#FF4357

Lighter +10%#FF1029

Darker −10%#A90012

Darker −20%#76000C

Darker −30%#430007

Darker −40%#100002

More saturated +25%#DC0017

Less saturated −25%#C11C2D

Channel breakdown

R220

B23

Red220 (86.3%)

Green0 (0%)

Blue23 (9%)

Hue353.73°

Saturation (HSL)100%

Lightness43.14%

Dominant channelRed

Hex per channelR DC · G 00 · B 17

Keep nerding

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#DC0017

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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