Colour

#FB3A3A

#FB3A3A
Red
Dark
Nearest: Tomato

#FB3A3A is a red with RGB values 251, 58, 58 and HSL 0°, 96%, 61%. It is a dark colour, so black text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Tomato.

Colour values

#FB3A3A#FB3A3A

HEX#FB3A3A

RGBrgb(251, 58, 58)

RGB (0–1)0.9843, 0.2275, 0.2275

RGB percentages98.4%, 22.7%, 22.7%

HSLhsl(0, 96%, 60.6%)

HSV / HSBhsv(0, 76.9%, 98.4%)

CMYK0%, 76.9%, 76.9%, 1.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,464,442

CSS custom property--colour: #FB3A3A;

Brightness & contrast

Relative luminance0.23841WCAG 2.x, 0 is black and 1 is white

Perceived brightness145.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.77:1

Contrast with white3.64:1WCAG normal text: Fail

Contrast with black5.77:1WCAG normal text: AA

Greyscale equivalent#636363

Inverted#04C5C5

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#766B37no red cones; affects about 1% of men; ΔE 76.6 from the original

Deuteranopia#A69532no green cones; the most common form, about 1% of men; ΔE 76.6 from the original

Tritanopia#FF003Dno blue cones; rare, and affects men and women equally; ΔE 11.1 from the original

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

Contrast with white, large text3.64:1WCAG large text: AA

Contrast with black, large text5.77:1WCAG large text: AAA

Named colours

Tomato · ΔE 14.5 Crimson · ΔE 15.5 Orange red · ΔE 22.9 Red · ΔE 23 Firebrick · ΔE 24.2 Coral · ΔE 28

Nearest named CSS colourTomato (#FF6347)ΔE 14.54, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#3AFBFB

Analogous#FB3A9B, #FB9B3A

Triadic#3AFB3A, #3A3AFB

Split complementary#3AFB9B, #3A9BFB

Tetradic#9BFB3A, #3AFBFB, #9B3AFB

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FED0D0

Lighter +20%#FD9E9E

Lighter +10%#FC6C6C

Darker −10%#FA0808

Darker −20%#CB0404

Darker −30%#990303

Darker −40%#670202

More saturated +25%#FF3636

Less saturated −25%#E25353

Channel breakdown

R251

G58

B58

Red251 (98.4%)

Green58 (22.7%)

Blue58 (22.7%)

Hue0°

Saturation (HSL)96.02%

Lightness60.59%

Dominant channelRed

Hex per channelR FB · G 3A · B 3A

Keep nerding

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

#FB3A3A

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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