Recognised as Colour

#DE010D

#DE010D
Red
Dark
Nearest: Red

#DE010D is a red with RGB values 222, 1, 13 and HSL 357°, 99%, 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

#DE010D#DE010D

HEX#DE010D

RGBrgb(222, 1, 13)

RGB (0–1)0.8706, 0.0039, 0.051

RGB percentages87.1%, 0.4%, 5.1%

HSLhsl(356.7, 99.1%, 43.7%)

HSV / HSBhsv(356.7, 99.5%, 87.1%)

CMYK0%, 99.5%, 94.1%, 12.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer14,549,261

CSS custom property--colour: #DE010D;

Brightness & contrast

Relative luminance0.1558WCAG 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 5.1:1

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

Contrast with black4.12:1WCAG normal text: Fail

Greyscale equivalent#313131

Inverted#21FEF2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5E5205no red cones; affects about 1% of men; ΔE 77.8 from the original

Deuteranopia#8D7D00no green cones; the most common form, about 1% of men; ΔE 77.6 from the original

Tritanopia#F5000Fno blue cones; rare, and affects men and women equally; ΔE 8.7 from the original

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

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

Contrast with black, large text4.12:1WCAG large text: AA

Named colours

Red · ΔE 14.8 Orange red · ΔE 17.1 Crimson · ΔE 23.1 Tomato · ΔE 23.6 Firebrick · ΔE 26.1 Dark red · ΔE 32

Nearest named CSS colourRed (#FF0000)ΔE 14.83, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#01DED2

Analogous#DE017C, #DE6401

Triadic#0DDE01, #010DDE

Split complementary#01DE64, #017CDE

Tetradic#7BDE01, #01DED2, #6301DE

Tints, shades & saturation

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

Lighter +40%#FFACB1

Lighter +30%#FE7A81

Lighter +20%#FE4751

Lighter +10%#FE1421

Darker −10%#AB010A

Darker −20%#780107

Darker −30%#460004

Darker −40%#130001

More saturated +25%#DF000C

Less saturated −25%#C21D26

Channel breakdown

R222

B13

Red222 (87.1%)

Green1 (0.4%)

Blue13 (5.1%)

Hue356.74°

Saturation (HSL)99.1%

Lightness43.73%

Dominant channelRed

Hex per channelR DE · G 01 · B 0D

Keep nerding

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

#DE010D

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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