Colour

#FB3B00

#FB3B00
Red
Dark
Nearest: Orange red

#FB3B00 is a red with RGB values 251, 59, 0 and HSL 14°, 100%, 49%. It is a dark colour, so black text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Orange red.

Colour values

#FB3B00#FB3B00

HEX#FB3B00

RGBrgb(251, 59, 0)

RGB (0–1)0.9843, 0.2314, 0

RGB percentages98.4%, 23.1%, 0%

HSLhsl(14.1, 100%, 49.2%)

HSV / HSBhsv(14.1, 100%, 98.4%)

CMYK0%, 76.5%, 100%, 1.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,464,640

CSS custom property--colour: #FB3B00;

Brightness & contrast

Relative luminance0.23637WCAG 2.x, 0 is black and 1 is white

Perceived brightness144.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.73:1

Contrast with white3.67:1WCAG normal text: Fail

Contrast with black5.73:1WCAG normal text: AA

Greyscale equivalent#606060

Inverted#04C4FF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#7A6A00no red cones; affects about 1% of men; ΔE 75.8 from the original

Deuteranopia#A89500no green cones; the most common form, about 1% of men; ΔE 75.7 from the original

Tritanopia#FF0034no blue cones; rare, and affects men and women equally; ΔE 23.3 from the original

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

Contrast with white, large text3.67:1WCAG large text: AA

Contrast with black, large text5.73:1WCAG large text: AAA

Named colours

Orange red · ΔE 2.9 Red · ΔE 10.7 Tomato · ΔE 25.2 Coral · ΔE 33.7 Chocolate · ΔE 34.4 Crimson · ΔE 35.2

Nearest named CSS colourOrange red (#FF4500)ΔE 2.94, a close match

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00C0FB

Analogous#FB0043, #FBB800

Triadic#00FB3B, #3B00FB

Split complementary#00FBB9, #0042FB

Tetradic#43FB00, #00C0FB, #B900FB

Tints, shades & saturation

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

Lighter +40%#FFD5C8

Lighter +30%#FFAE95

Lighter +20%#FF8762

Lighter +10%#FF602F

Darker −10%#C82F00

Darker −20%#952300

Darker −30%#621700

Darker −40%#2F0B00

More saturated +25%#FB3B00

Less saturated −25%#DC4C1F

Channel breakdown

R251

G59

Red251 (98.4%)

Green59 (23.1%)

Blue0 (0%)

Hue14.1°

Saturation (HSL)100%

Lightness49.22%

Dominant channelRed

Hex per channelR FB · G 3B · B 00

Keep nerding

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

#FB3B00

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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