Recognised as Colour

#FB0357

#FB0357
Red
Dark
Nearest: Crimson

#FB0357 is a red with RGB values 251, 3, 87 and HSL 340°, 98%, 50%. It is a dark colour, so black text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#FB0357#FB0357

HEX#FB0357

RGBrgb(251, 3, 87)

RGB (0–1)0.9843, 0.0118, 0.3412

RGB percentages98.4%, 1.2%, 34.1%

HSLhsl(339.7, 97.6%, 49.8%)

HSV / HSBhsv(339.7, 98.8%, 98.4%)

CMYK0%, 98.8%, 65.3%, 1.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,450,391

CSS custom property--colour: #FB0357;

Brightness & contrast

Relative luminance0.21262WCAG 2.x, 0 is black and 1 is white

Perceived brightness140.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.25:1

Contrast with white4:1WCAG normal text: Fail

Contrast with black5.25:1WCAG normal text: AA

Greyscale equivalent#3E3E3E

Inverted#04FCA8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#646158no red cones; affects about 1% of men; ΔE 85.1 from the original

Deuteranopia#9C8F50no green cones; the most common form, about 1% of men; ΔE 85.7 from the original

Tritanopia#FF0034no blue cones; rare, and affects men and women equally; ΔE 20.9 from the original

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

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

Contrast with black, large text5.25:1WCAG large text: AAA

Named colours

Crimson · ΔE 13.8 Firebrick · ΔE 30.9 Tomato · ΔE 31.9 Deep pink · ΔE 32.4 Brown · ΔE 35.3 Indian red · ΔE 36.4

Nearest named CSS colourCrimson (#DC143C)ΔE 13.83, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#03FBA7

Analogous#FB03D3, #FB2B03

Triadic#57FB03, #0357FB

Split complementary#03FB2B, #03D3FB

Tetradic#D3FB03, #03FBA7, #2B03FB

Tints, shades & saturation

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

Lighter +40%#FECCDD

Lighter +30%#FE99BB

Lighter +20%#FD679A

Lighter +10%#FD3478

Darker −10%#C90246

Darker −20%#960234

Darker −30%#640123

Darker −40%#310111

More saturated +25%#FE0056

Less saturated −25%#DB2361

Channel breakdown

R251

B87

Red251 (98.4%)

Green3 (1.2%)

Blue87 (34.1%)

Hue339.68°

Saturation (HSL)97.64%

Lightness49.8%

Dominant channelRed

Hex per channelR FB · G 03 · B 57

Keep nerding

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

#FB0357

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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