Recognised as Colour

#FF0641

#FF0641
Red
Dark
Nearest: Crimson

#FF0641 is a red with RGB values 255, 6, 65 and HSL 346°, 100%, 51%. It is a dark colour, so black text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#FF0641#FF0641

HEX#FF0641

RGBrgb(255, 6, 65)

RGB (0–1)1, 0.0235, 0.2549

RGB percentages100%, 2.4%, 25.5%

HSLhsl(345.8, 100%, 51.2%)

HSV / HSBhsv(345.8, 97.6%, 100%)

CMYK0%, 97.6%, 74.5%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,713,281

CSS custom property--colour: #FF0641;

Brightness & contrast

Relative luminance0.21772WCAG 2.x, 0 is black and 1 is white

Perceived brightness141.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.35:1

Contrast with white3.92:1WCAG normal text: Fail

Contrast with black5.35:1WCAG normal text: AA

Greyscale equivalent#3F3F3F

Inverted#00F9BE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6A6240no red cones; affects about 1% of men; ΔE 86.4 from the original

Deuteranopia#A19138no green cones; the most common form, about 1% of men; ΔE 86.3 from the original

Tritanopia#FF0029no blue cones; rare, and affects men and women equally; ΔE 12.7 from the original

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

Contrast with white, large text3.92:1WCAG large text: AA

Contrast with black, large text5.35:1WCAG large text: AAA

Named colours

Crimson · ΔE 13.7 Tomato · ΔE 25.2 Red · ΔE 26.9 Firebrick · ΔE 29 Orange red · ΔE 31.7 Brown · ΔE 36.4

Nearest named CSS colourCrimson (#DC143C)ΔE 13.72, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#06FFC4

Analogous#FF06BD, #FF4806

Triadic#41FF06, #0641FF

Split complementary#06FF48, #06BDFF

Tetradic#BDFF06, #06FFC4, #4806FF

Tints, shades & saturation

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

Lighter +40%#FFD2DD

Lighter +30%#FF9FB6

Lighter +20%#FF6C8F

Lighter +10%#FF3968

Darker −10%#D20032

Darker −20%#9F0026

Darker −30%#6C001A

Darker −40%#39000E

More saturated +25%#FF0641

Less saturated −25%#E02551

Channel breakdown

R255

B65

Red255 (100%)

Green6 (2.4%)

Blue65 (25.5%)

Hue345.78°

Saturation (HSL)100%

Lightness51.18%

Dominant channelRed

Hex per channelR FF · G 06 · B 41

Keep nerding

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

#FF0641

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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