Colour

#FF557D

#FF557D
Red
Dark
Nearest: Crimson

#FF557D is a red with RGB values 255, 85, 125 and HSL 346°, 100%, 67%. It is a dark colour, so black text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#FF557D#FF557D

HEX#FF557D

RGBrgb(255, 85, 125)

RGB (0–1)1, 0.3333, 0.4902

RGB percentages100%, 33.3%, 49%

HSLhsl(345.9, 100%, 66.7%)

HSV / HSBhsv(345.9, 66.7%, 100%)

CMYK0%, 66.7%, 51%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,733,565

CSS custom property--colour: #FF557D;

Brightness & contrast

Relative luminance0.29238WCAG 2.x, 0 is black and 1 is white

Perceived brightness159.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.85:1

Contrast with white3.07:1WCAG normal text: Fail

Contrast with black6.85:1WCAG normal text: AA

Greyscale equivalent#7C7C7C

Inverted#00AA82

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#7D7D7Eno red cones; affects about 1% of men; ΔE 68.8 from the original

Deuteranopia#A9A079no green cones; the most common form, about 1% of men; ΔE 70.3 from the original

Tritanopia#FF3665no blue cones; rare, and affects men and women equally; ΔE 12.6 from the original

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

Contrast with white, large text3.07:1WCAG large text: AA

Contrast with black, large text6.85:1WCAG large text: AAA

Named colours

Crimson · ΔE 24 Indian red · ΔE 24.5 Light coral · ΔE 25.1 Pale violetred · ΔE 25.6 Hot pink · ΔE 25.7 Salmon · ΔE 26.8

Nearest named CSS colourCrimson (#DC143C)ΔE 24.01, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#55FFD7

Analogous#FF55D2, #FF8255

Triadic#7DFF55, #557DFF

Split complementary#55FF82, #55D2FF

Tetradic#D2FF55, #55FFD7, #8255FF

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFEEF2

Lighter +20%#FFBBCB

Lighter +10%#FF88A4

Darker −10%#FF2256

Darker −20%#EE0038

Darker −30%#BB002C

Darker −40%#880020

More saturated +25%#FF557D

Less saturated −25%#EA6A88

Channel breakdown

R255

G85

B125

Red255 (100%)

Green85 (33.3%)

Blue125 (49%)

Hue345.88°

Saturation (HSL)100%

Lightness66.67%

Dominant channelRed

Hex per channelR FF · G 55 · B 7D

Keep nerding

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

#FF557D

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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