Recognised as Colour

#FE1F01

#FE1F01
Red
Dark
Nearest: Red

#FE1F01 is a red with RGB values 254, 31, 1 and HSL 7°, 99%, 50%. It is a dark colour, so black text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Red.

Colour values

#FE1F01#FE1F01

HEX#FE1F01

RGBrgb(254, 31, 1)

RGB (0–1)0.9961, 0.1216, 0.0039

RGB percentages99.6%, 12.2%, 0.4%

HSLhsl(7.1, 99.2%, 50%)

HSV / HSBhsv(7.1, 99.6%, 99.6%)

CMYK0%, 87.8%, 99.6%, 0.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,654,081

CSS custom property--colour: #FE1F01;

Brightness & contrast

Relative luminance0.22053WCAG 2.x, 0 is black and 1 is white

Perceived brightness140.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.41:1

Contrast with white3.88:1WCAG normal text: Fail

Contrast with black5.41:1WCAG normal text: AA

Greyscale equivalent#4C4C4C

Inverted#01E0FE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#716300no red cones; affects about 1% of men; ΔE 83.7 from the original

Deuteranopia#A59200no green cones; the most common form, about 1% of men; ΔE 82.6 from the original

Tritanopia#FF0020no blue cones; rare, and affects men and women equally; ΔE 10.6 from the original

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

Contrast with white, large text3.88:1WCAG large text: AA

Contrast with black, large text5.41:1WCAG large text: AAA

Named colours

Red · ΔE 3.4 Orange red · ΔE 9.9 Tomato · ΔE 29.2 Crimson · ΔE 34.8 Firebrick · ΔE 39.1 Coral · ΔE 39.4

Nearest named CSS colourRed (#FF0000)ΔE 3.38, a close match

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#01E0FE

Analogous#FE0161, #FE9E01

Triadic#01FE1F, #1F01FE

Split complementary#01FE9E, #0161FE

Tetradic#61FE01, #01E0FE, #9E01FE

Tints, shades & saturation

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

Lighter +40%#FFD2CC

Lighter +30%#FFA599

Lighter +20%#FE7967

Lighter +10%#FE4C34

Darker −10%#CB1901

Darker −20%#981301

Darker −30%#660C00

Darker −40%#330600

More saturated +25%#FF1E00

Less saturated −25%#DE3721

Channel breakdown

R254

G31

Red254 (99.6%)

Green31 (12.2%)

Blue1 (0.4%)

Hue7.11°

Saturation (HSL)99.22%

Lightness50%

Dominant channelRed

Hex per channelR FE · G 1F · B 01

Keep nerding

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

#FE1F01

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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