Colour

#FB0003

#FB0003
Red
Dark
Nearest: Red

#FB0003 is a red with RGB values 251, 0, 3 and HSL 359°, 100%, 49%. It is a dark colour, so black text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Red.

Colour values

#FB0003#FB0003

HEX#FB0003

RGBrgb(251, 0, 3)

RGB (0–1)0.9843, 0, 0.0118

RGB percentages98.4%, 0%, 1.2%

HSLhsl(359.3, 100%, 49.2%)

HSV / HSBhsv(359.3, 100%, 98.4%)

CMYK0%, 100%, 98.8%, 1.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,449,539

CSS custom property--colour: #FB0003;

Brightness & contrast

Relative luminance0.20516WCAG 2.x, 0 is black and 1 is white

Perceived brightness137.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.1:1

Contrast with white4.12:1WCAG normal text: Fail

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

Greyscale equivalent#363636

Inverted#04FFFC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6B5D00no red cones; affects about 1% of men; ΔE 85.6 from the original

Deuteranopia#A18E00no green cones; the most common form, about 1% of men; ΔE 84.7 from the original

Tritanopia#FF000Fno blue cones; rare, and affects men and women equally; ΔE 2.5 from the original

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

Contrast with white, large text4.12:1WCAG large text: AA

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

Named colours

Red · ΔE 2 Orange red · ΔE 12.9 Tomato · ΔE 30.3 Crimson · ΔE 33.5 Firebrick · ΔE 38.7 Coral · ΔE 41.1

Nearest named CSS colourRed (#FF0000)ΔE 2, below the just-noticeable difference

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00FBF8

Analogous#FB0080, #FB7A00

Triadic#03FB00, #0003FB

Split complementary#00FB7A, #0080FB

Tetradic#81FB00, #00FBF8, #7B00FB

Tints, shades & saturation

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

Lighter +40%#FFC8C9

Lighter +30%#FF9596

Lighter +20%#FF6264

Lighter +10%#FF2F31

Darker −10%#C80002

Darker −20%#950002

Darker −30%#620001

Darker −40%#2F0001

More saturated +25%#FB0003

Less saturated −25%#DC1F22

Channel breakdown

R251

Red251 (98.4%)

Green0 (0%)

Blue3 (1.2%)

Hue359.28°

Saturation (HSL)100%

Lightness49.22%

Dominant channelRed

Hex per channelR FB · G 00 · B 03

Keep nerding

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

#FB0003

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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