Recognised as Colour

#FB001A

#FB001A
Red
Dark
Nearest: Red

#FB001A is a red with RGB values 251, 0, 26 and HSL 354°, 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

#FB001A#FB001A

HEX#FB001A

RGBrgb(251, 0, 26)

RGB (0–1)0.9843, 0, 0.102

RGB percentages98.4%, 0%, 10.2%

HSLhsl(353.8, 100%, 49.2%)

HSV / HSBhsv(353.8, 100%, 98.4%)

CMYK0%, 100%, 89.6%, 1.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,449,562

CSS custom property--colour: #FB001A;

Brightness & contrast

Relative luminance0.20584WCAG 2.x, 0 is black and 1 is white

Perceived brightness137.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.12:1

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

Contrast with black5.12:1WCAG normal text: AA

Greyscale equivalent#373737

Inverted#04FFE5

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6A5E14no red cones; affects about 1% of men; ΔE 86 from the original

Deuteranopia#A08E00no green cones; the most common form, about 1% of men; ΔE 85.4 from the original

Tritanopia#FF0015no blue cones; rare, and affects men and women equally; ΔE 3.1 from the original

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

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

Contrast with black, large text5.12:1WCAG large text: AAA

Named colours

Red · ΔE 8.5 Orange red · ΔE 16.3 Tomato · ΔE 26.6 Crimson · ΔE 27.1 Firebrick · ΔE 34.3 Coral · ΔE 38.8

Nearest named CSS colourRed (#FF0000)ΔE 8.53, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00FBE1

Analogous#FB0097, #FB6300

Triadic#1AFB00, #001AFB

Split complementary#00FB64, #0097FB

Tetradic#98FB00, #00FBE1, #6400FB

Tints, shades & saturation

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

Lighter +40%#FFC8CE

Lighter +30%#FF95A0

Lighter +20%#FF6272

Lighter +10%#FF2F45

Darker −10%#C80015

Darker −20%#95000F

Darker −30%#62000A

Darker −40%#2F0005

More saturated +25%#FB001A

Less saturated −25%#DC1F33

Channel breakdown

R251

B26

Red251 (98.4%)

Green0 (0%)

Blue26 (10.2%)

Hue353.78°

Saturation (HSL)100%

Lightness49.22%

Dominant channelRed

Hex per channelR FB · G 00 · B 1A

Keep nerding

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

#FB001A

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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