Colour

#DE0010

#DE0010
Red
Dark
Nearest: Red

#DE0010 is a red with RGB values 222, 0, 16 and HSL 356°, 100%, 44%. It is a dark colour, so white text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Red.

Colour values

#DE0010#DE0010

HEX#DE0010

RGBrgb(222, 0, 16)

RGB (0–1)0.8706, 0, 0.0627

RGB percentages87.1%, 0%, 6.3%

HSLhsl(355.7, 100%, 43.5%)

HSV / HSBhsv(355.7, 100%, 87.1%)

CMYK0%, 100%, 92.8%, 12.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer14,549,008

CSS custom property--colour: #DE0010;

Brightness & contrast

Relative luminance0.15567WCAG 2.x, 0 is black and 1 is white

Perceived brightness121.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.11:1

Contrast with white5.11:1WCAG normal text: AA

Contrast with black4.11:1WCAG normal text: Fail

Greyscale equivalent#303030

Inverted#21FFEF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5D5209no red cones; affects about 1% of men; ΔE 78.4 from the original

Deuteranopia#8D7D00no green cones; the most common form, about 1% of men; ΔE 77.7 from the original

Tritanopia#F50010no blue cones; rare, and affects men and women equally; ΔE 9 from the original

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

Contrast with white, large text5.11:1WCAG large text: AAA

Contrast with black, large text4.11:1WCAG large text: AA

Named colours

Red · ΔE 15.5 Orange red · ΔE 17.9 Crimson · ΔE 22.1 Tomato · ΔE 23.3 Firebrick · ΔE 25.4 Dark red · ΔE 31.5

Nearest named CSS colourRed (#FF0000)ΔE 15.51, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00DECE

Analogous#DE007F, #DE5F00

Triadic#10DE00, #0010DE

Split complementary#00DE5F, #007FDE

Tetradic#7FDE00, #00DECE, #5F00DE

Tints, shades & saturation

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

Lighter +40%#FFABB1

Lighter +30%#FF7882

Lighter +20%#FF4552

Lighter +10%#FF1223

Darker −10%#AB000C

Darker −20%#780009

Darker −30%#450005

Darker −40%#120001

More saturated +25%#DE0010

Less saturated −25%#C21C28

Channel breakdown

R222

B16

Red222 (87.1%)

Green0 (0%)

Blue16 (6.3%)

Hue355.68°

Saturation (HSL)100%

Lightness43.53%

Dominant channelRed

Hex per channelR DE · G 00 · B 10

Keep nerding

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#DE0010

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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