Recognised as Colour

#DE2500

#DE2500
Red
Dark
Nearest: Orange red

#DE2500 is a red with RGB values 222, 37, 0 and HSL 10°, 100%, 44%. It is a dark colour, so white text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Orange red.

Colour values

#DE2500#DE2500

HEX#DE2500

RGBrgb(222, 37, 0)

RGB (0–1)0.8706, 0.1451, 0

RGB percentages87.1%, 14.5%, 0%

HSLhsl(10, 100%, 43.5%)

HSV / HSBhsv(10, 100%, 87.1%)

CMYK0%, 83.3%, 100%, 12.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer14,558,464

CSS custom property--colour: #DE2500;

Brightness & contrast

Relative luminance0.16853WCAG 2.x, 0 is black and 1 is white

Perceived brightness124.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.8:1

Contrast with white4.8:1WCAG normal text: AA

Contrast with black4.37:1WCAG normal text: Fail

Greyscale equivalent#4A4A4A

Inverted#21DAFF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#655800no red cones; affects about 1% of men; ΔE 73.2 from the original

Deuteranopia#918000no green cones; the most common form, about 1% of men; ΔE 72.4 from the original

Tritanopia#F50022no blue cones; rare, and affects men and women equally; ΔE 13.5 from the original

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

Contrast with white, large text4.8:1WCAG large text: AAA

Contrast with black, large text4.37:1WCAG large text: AA

Named colours

Orange red · ΔE 12.3 Red · ΔE 15.2 Tomato · ΔE 22.5 Firebrick · ΔE 27.6 Crimson · ΔE 27.8 Chocolate · ΔE 31.5

Nearest named CSS colourOrange red (#FF4500)ΔE 12.3, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00B9DE

Analogous#DE004A, #DE9400

Triadic#00DE25, #2500DE

Split complementary#00DE94, #004ADE

Tetradic#4ADE00, #00B9DE, #9400DE

Tints, shades & saturation

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

Lighter +40%#FFB9AB

Lighter +30%#FF8F78

Lighter +20%#FF6445

Lighter +10%#FF3912

Darker −10%#AB1C00

Darker −20%#781400

Darker −30%#450C00

Darker −40%#120300

More saturated +25%#DE2500

Less saturated −25%#C2371C

Channel breakdown

R222

G37

Red222 (87.1%)

Green37 (14.5%)

Blue0 (0%)

Hue10°

Saturation (HSL)100%

Lightness43.53%

Dominant channelRed

Hex per channelR DE · G 25 · B 00

Keep nerding

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

#DE2500

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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