Recognised as Colour

#FF491A

#FF491A
Red
Dark
Nearest: Orange red

#FF491A is a red with RGB values 255, 73, 26 and HSL 12°, 100%, 55%. It is a dark colour, so black text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Orange red.

Colour values

#FF491A#FF491A

HEX#FF491A

RGBrgb(255, 73, 26)

RGB (0–1)1, 0.2863, 0.102

RGB percentages100%, 28.6%, 10.2%

HSLhsl(12.3, 100%, 55.1%)

HSV / HSBhsv(12.3, 89.8%, 100%)

CMYK0%, 71.4%, 89.8%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,730,394

CSS custom property--colour: #FF491A;

Brightness & contrast

Relative luminance0.261WCAG 2.x, 0 is black and 1 is white

Perceived brightness150.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.22:1

Contrast with white3.38:1WCAG normal text: Fail

Contrast with black6.22:1WCAG normal text: AA

Greyscale equivalent#6C6C6C

Inverted#00B6E5

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#81720Cno red cones; affects about 1% of men; ΔE 72.8 from the original

Deuteranopia#AE9A03no green cones; the most common form, about 1% of men; ΔE 72.7 from the original

Tritanopia#FF0042no blue cones; rare, and affects men and women equally; ΔE 27.9 from the original

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

Contrast with white, large text3.38:1WCAG large text: AA

Contrast with black, large text6.22:1WCAG large text: AAA

Named colours

Orange red · ΔE 6.1 Red · ΔE 14.9 Tomato · ΔE 19.2 Coral · ΔE 27.9 Chocolate · ΔE 30.4 Crimson · ΔE 31.7

Nearest named CSS colourOrange red (#FF4500)ΔE 6.09, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1AD0FF

Analogous#FF1A5E, #FFBC1A

Triadic#1AFF49, #491AFF

Split complementary#1AFFBC, #1A5DFF

Tetradic#5DFF1A, #1AD0FF, #BB1AFF

Tints, shades & saturation

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

Lighter +40%#FFEBE6

Lighter +30%#FFC3B3

Lighter +20%#FF9A80

Lighter +10%#FF724D

Darker −10%#E62F00

Darker −20%#B32500

Darker −30%#801A00

Darker −40%#4D1000

More saturated +25%#FF491A

Less saturated −25%#E25A37

Channel breakdown

R255

G73

B26

Red255 (100%)

Green73 (28.6%)

Blue26 (10.2%)

Hue12.31°

Saturation (HSL)100%

Lightness55.1%

Dominant channelRed

Hex per channelR FF · G 49 · B 1A

Keep nerding

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

#FF491A

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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