Recognised as Colour

#D22500

#D22500
Red
Dark
Nearest: Orange red

#D22500 is a red with RGB values 210, 37, 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

#D22500#D22500

HEX#D22500

RGBrgb(210, 37, 0)

RGB (0–1)0.8235, 0.1451, 0

RGB percentages82.4%, 14.5%, 0%

HSLhsl(10.6, 100%, 41.2%)

HSV / HSBhsv(10.6, 100%, 82.4%)

CMYK0%, 82.4%, 100%, 17.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,772,032

CSS custom property--colour: #D22500;

Brightness & contrast

Relative luminance0.15025WCAG 2.x, 0 is black and 1 is white

Perceived brightness118.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.24:1

Contrast with white5.24:1WCAG normal text: AA

Contrast with black4:1WCAG normal text: Fail

Greyscale equivalent#474747

Inverted#2DDAFF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#605400no red cones; affects about 1% of men; ΔE 69.8 from the original

Deuteranopia#8A7A00no green cones; the most common form, about 1% of men; ΔE 69 from the original

Tritanopia#E80022no blue cones; rare, and affects men and women equally; ΔE 14.2 from the original

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

Contrast with white, large text5.24:1WCAG large text: AAA

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

Named colours

Orange red · ΔE 16.2 Red · ΔE 19.8 Tomato · ΔE 21.5 Firebrick · ΔE 23.5 Crimson · ΔE 26.2 Dark red · ΔE 27.9

Nearest named CSS colourOrange red (#FF4500)ΔE 16.17, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00ADD2

Analogous#D20044, #D28E00

Triadic#00D225, #2500D2

Split complementary#00D28E, #0044D2

Tetradic#44D200, #00ADD2, #8E00D2

Tints, shades & saturation

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

Lighter +40%#FFB09F

Lighter +30%#FF866C

Lighter +20%#FF5C39

Lighter +10%#FF3206

Darker −10%#9F1C00

Darker −20%#6C1300

Darker −30%#390A00

Darker −40%#060100

More saturated +25%#D22500

Less saturated −25%#B8361A

Channel breakdown

R210

G37

Red210 (82.4%)

Green37 (14.5%)

Blue0 (0%)

Hue10.57°

Saturation (HSL)100%

Lightness41.18%

Dominant channelRed

Hex per channelR D2 · G 25 · B 00

Keep nerding

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

#D22500

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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