Colour

#FF451A

#FF451A
Red
Dark
Nearest: Orange red

#FF451A is a red with RGB values 255, 69, 26 and HSL 11°, 100%, 55%. It is a dark colour, so black text on it reaches 6.1:1 contrast (AA for normal text). The nearest named colour is Orange red.

Colour values

#FF451A#FF451A

HEX#FF451A

RGBrgb(255, 69, 26)

RGB (0–1)1, 0.2706, 0.102

RGB percentages100%, 27.1%, 10.2%

HSLhsl(11.3, 100%, 55.1%)

HSV / HSBhsv(11.3, 89.8%, 100%)

CMYK0%, 72.9%, 89.8%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,729,370

CSS custom property--colour: #FF451A;

Brightness & contrast

Relative luminance0.25591WCAG 2.x, 0 is black and 1 is white

Perceived brightness149.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.12:1

Contrast with white3.43:1WCAG normal text: Fail

Contrast with black6.12:1WCAG normal text: AA

Greyscale equivalent#696969

Inverted#00BAE5

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#7F700Dno red cones; affects about 1% of men; ΔE 74.1 from the original

Deuteranopia#AD9902no green cones; the most common form, about 1% of men; ΔE 73.9 from the original

Tritanopia#FF003Fno blue cones; rare, and affects men and women equally; ΔE 25.4 from the original

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

Contrast with white, large text3.43:1WCAG large text: AA

Contrast with black, large text6.12:1WCAG large text: AAA

Named colours

Orange red · ΔE 6.3 Red · ΔE 13.6 Tomato · ΔE 19.7 Coral · ΔE 28.9 Crimson · ΔE 31.1 Chocolate · ΔE 31.6

Nearest named CSS colourOrange red (#FF4500)ΔE 6.31, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1AD4FF

Analogous#FF1A62, #FFB81A

Triadic#1AFF45, #451AFF

Split complementary#1AFFB8, #1A61FF

Tetradic#62FF1A, #1AD4FF, #B81AFF

Tints, shades & saturation

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

Lighter +40%#FFEBE6

Lighter +30%#FFC1B3

Lighter +20%#FF9880

Lighter +10%#FF6E4D

Darker −10%#E62B00

Darker −20%#B32200

Darker −30%#801800

Darker −40%#4D0E00

More saturated +25%#FF451A

Less saturated −25%#E25737

Channel breakdown

R255

G69

B26

Red255 (100%)

Green69 (27.1%)

Blue26 (10.2%)

Hue11.27°

Saturation (HSL)100%

Lightness55.1%

Dominant channelRed

Hex per channelR FF · G 45 · B 1A

Keep nerding

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

#FF451A

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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