Recognised as Colour

#D22800

#D22800
Red
Dark
Nearest: Orange red

#D22800 is a red with RGB values 210, 40, 0 and HSL 11°, 100%, 41%. It is a dark colour, so white text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Orange red.

Colour values

#D22800#D22800

HEX#D22800

RGBrgb(210, 40, 0)

RGB (0–1)0.8235, 0.1569, 0

RGB percentages82.4%, 15.7%, 0%

HSLhsl(11.4, 100%, 41.2%)

HSV / HSBhsv(11.4, 100%, 82.4%)

CMYK0%, 81%, 100%, 17.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,772,800

CSS custom property--colour: #D22800;

Brightness & contrast

Relative luminance0.15219WCAG 2.x, 0 is black and 1 is white

Perceived brightness118.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.19:1

Contrast with white5.19:1WCAG normal text: AA

Contrast with black4.04:1WCAG normal text: Fail

Greyscale equivalent#494949

Inverted#2DD7FF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#615500no red cones; affects about 1% of men; ΔE 69.1 from the original

Deuteranopia#8A7A00no green cones; the most common form, about 1% of men; ΔE 68.2 from the original

Tritanopia#E80024no blue cones; rare, and affects men and women equally; ΔE 15.4 from the original

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

Contrast with white, large text5.19:1WCAG large text: AAA

Contrast with black, large text4.04:1WCAG large text: AA

Named colours

Orange red · ΔE 16.1 Red · ΔE 20.3 Tomato · ΔE 21.1 Firebrick · ΔE 23.4 Crimson · ΔE 26.5 Dark red · ΔE 27.8

Nearest named CSS colourOrange red (#FF4500)ΔE 16.11, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00AAD2

Analogous#D20041, #D29100

Triadic#00D228, #2800D2

Split complementary#00D291, #0041D2

Tetradic#41D200, #00AAD2, #9100D2

Tints, shades & saturation

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

Lighter +40%#FFB19F

Lighter +30%#FF886C

Lighter +20%#FF5F39

Lighter +10%#FF3506

Darker −10%#9F1E00

Darker −20%#6C1500

Darker −30%#390B00

Darker −40%#060100

More saturated +25%#D22800

Less saturated −25%#B8381A

Channel breakdown

R210

G40

Red210 (82.4%)

Green40 (15.7%)

Blue0 (0%)

Hue11.43°

Saturation (HSL)100%

Lightness41.18%

Dominant channelRed

Hex per channelR D2 · G 28 · B 00

Keep nerding

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

#D22800

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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