Recognised as Colour

#F8000A

#F8000A
Red
Dark
Nearest: Red

#F8000A is a red with RGB values 248, 0, 10 and HSL 358°, 100%, 49%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Red.

Colour values

#F8000A#F8000A

HEX#F8000A

RGBrgb(248, 0, 10)

RGB (0–1)0.9725, 0, 0.0392

RGB percentages97.3%, 0%, 3.9%

HSLhsl(357.6, 100%, 48.6%)

HSV / HSBhsv(357.6, 100%, 97.3%)

CMYK0%, 100%, 96%, 2.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,252,938

CSS custom property--colour: #F8000A;

Brightness & contrast

Relative luminance0.19978WCAG 2.x, 0 is black and 1 is white

Perceived brightness135.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5:1

Contrast with white4.2:1WCAG normal text: Fail

Contrast with black5:1WCAG normal text: AA

Greyscale equivalent#353535

Inverted#07FFF5

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#695C00no red cones; affects about 1% of men; ΔE 85 from the original

Deuteranopia#9E8C00no green cones; the most common form, about 1% of men; ΔE 84.2 from the original

Tritanopia#FF0010no blue cones; rare, and affects men and women equally; ΔE 2.3 from the original

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

Contrast with white, large text4.2:1WCAG large text: AA

Contrast with black, large text5:1WCAG large text: AAA

Named colours

Red · ΔE 4.5 Orange red · ΔE 13.4 Tomato · ΔE 28.6 Crimson · ΔE 31 Firebrick · ΔE 36.4 Coral · ΔE 39.8

Nearest named CSS colourRed (#FF0000)ΔE 4.48, a close match

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00F8EE

Analogous#F80086, #F87200

Triadic#0AF800, #000AF8

Split complementary#00F872, #0086F8

Tetradic#86F800, #00F8EE, #7200F8

Tints, shades & saturation

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

Lighter +40%#FFC5C7

Lighter +30%#FF9296

Lighter +20%#FF5F65

Lighter +10%#FF2C35

Darker −10%#C50008

Darker −20%#920006

Darker −30%#5F0004

Darker −40%#2C0002

More saturated +25%#F8000A

Less saturated −25%#D91F27

Channel breakdown

R248

B10

Red248 (97.3%)

Green0 (0%)

Blue10 (3.9%)

Hue357.58°

Saturation (HSL)100%

Lightness48.63%

Dominant channelRed

Hex per channelR F8 · G 00 · B 0A

Keep nerding

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

#F8000A

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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