Colour

#FB003D

#FB003D
Red
Dark
Nearest: Crimson

#FB003D is a red with RGB values 251, 0, 61 and HSL 345°, 100%, 49%. It is a dark colour, so black text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#FB003D#FB003D

HEX#FB003D

RGBrgb(251, 0, 61)

RGB (0–1)0.9843, 0, 0.2392

RGB percentages98.4%, 0%, 23.9%

HSLhsl(345.4, 100%, 49.2%)

HSV / HSBhsv(345.4, 100%, 98.4%)

CMYK0%, 100%, 75.7%, 1.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,449,597

CSS custom property--colour: #FB003D;

Brightness & contrast

Relative luminance0.20846WCAG 2.x, 0 is black and 1 is white

Perceived brightness138.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.17:1

Contrast with white4.06:1WCAG normal text: Fail

Contrast with black5.17:1WCAG normal text: AA

Greyscale equivalent#3A3A3A

Inverted#04FFC2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#685F3Cno red cones; affects about 1% of men; ΔE 85.5 from the original

Deuteranopia#9E8E34no green cones; the most common form, about 1% of men; ΔE 85.5 from the original

Tritanopia#FF0025no blue cones; rare, and affects men and women equally; ΔE 13.7 from the original

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

Contrast with white, large text4.06:1WCAG large text: AA

Contrast with black, large text5.17:1WCAG large text: AAA

Named colours

Crimson · ΔE 13.3 Tomato · ΔE 24.8 Red · ΔE 26 Firebrick · ΔE 28.1 Orange red · ΔE 30.7 Brown · ΔE 35.7

Nearest named CSS colourCrimson (#DC143C)ΔE 13.3, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00FBBE

Analogous#FB00BB, #FB4000

Triadic#3DFB00, #003DFB

Split complementary#00FB40, #00BBFB

Tetradic#BBFB00, #00FBBE, #4000FB

Tints, shades & saturation

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

Lighter +40%#FFC8D5

Lighter +30%#FF95AF

Lighter +20%#FF6288

Lighter +10%#FF2F62

Darker −10%#C80031

Darker −20%#950024

Darker −30%#620018

Darker −40%#2F000B

More saturated +25%#FB003D

Less saturated −25%#DC1F4D

Channel breakdown

R251

B61

Red251 (98.4%)

Green0 (0%)

Blue61 (23.9%)

Hue345.42°

Saturation (HSL)100%

Lightness49.22%

Dominant channelRed

Hex per channelR FB · G 00 · B 3D

Keep nerding

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

#FB003D

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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