Recognised as Colour

#E52C00

#E52C00
Red
Dark
Nearest: Orange red

#E52C00 is a red with RGB values 229, 44, 0 and HSL 12°, 100%, 45%. It is a dark colour, so black text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Orange red.

Colour values

#E52C00#E52C00

HEX#E52C00

RGBrgb(229, 44, 0)

RGB (0–1)0.898, 0.1725, 0

RGB percentages89.8%, 17.3%, 0%

HSLhsl(11.5, 100%, 44.9%)

HSV / HSBhsv(11.5, 100%, 89.8%)

CMYK0%, 80.8%, 100%, 10.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer15,019,008

CSS custom property--colour: #E52C00;

Brightness & contrast

Relative luminance0.18459WCAG 2.x, 0 is black and 1 is white

Perceived brightness129.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 4.69:1

Contrast with white4.48:1WCAG normal text: Fail

Contrast with black4.69:1WCAG normal text: AA

Greyscale equivalent#505050

Inverted#1AD3FF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6B5D00no red cones; affects about 1% of men; ΔE 73.4 from the original

Deuteranopia#978500no green cones; the most common form, about 1% of men; ΔE 72.6 from the original

Tritanopia#FD0028no blue cones; rare, and affects men and women equally; ΔE 16.3 from the original

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

Contrast with white, large text4.48:1WCAG large text: AA

Contrast with black, large text4.69:1WCAG large text: AAA

Named colours

Orange red · ΔE 9.7 Red · ΔE 13.7 Tomato · ΔE 22.5 Crimson · ΔE 29.6 Firebrick · ΔE 29.8 Chocolate · ΔE 31.6

Nearest named CSS colourOrange red (#FF4500)ΔE 9.73, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00B9E5

Analogous#E50047, #E59E00

Triadic#00E52C, #2C00E5

Split complementary#00E59F, #0047E5

Tetradic#47E500, #00B9E5, #9F00E5

Tints, shades & saturation

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

Lighter +40%#FFC1B2

Lighter +30%#FF987F

Lighter +20%#FF6E4C

Lighter +10%#FF4519

Darker −10%#B22200

Darker −20%#7F1800

Darker −30%#4C0F00

Darker −40%#190500

More saturated +25%#E52C00

Less saturated −25%#C83E1D

Channel breakdown

R229

G44

Red229 (89.8%)

Green44 (17.3%)

Blue0 (0%)

Hue11.53°

Saturation (HSL)100%

Lightness44.9%

Dominant channelRed

Hex per channelR E5 · G 2C · B 00

Keep nerding

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

#E52C00

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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