Colour

#F1003D

#F1003D
Red
Dark
Nearest: Crimson

#F1003D is a red with RGB values 241, 0, 61 and HSL 345°, 100%, 47%. It is a dark colour, so black text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#F1003D#F1003D

HEX#F1003D

RGBrgb(241, 0, 61)

RGB (0–1)0.9451, 0, 0.2392

RGB percentages94.5%, 0%, 23.9%

HSLhsl(344.8, 100%, 47.3%)

HSV / HSBhsv(344.8, 100%, 94.5%)

CMYK0%, 100%, 74.7%, 5.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer15,794,237

CSS custom property--colour: #F1003D;

Brightness & contrast

Relative luminance0.19038WCAG 2.x, 0 is black and 1 is white

Perceived brightness133.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 4.81:1

Contrast with white4.37:1WCAG normal text: Fail

Contrast with black4.81:1WCAG normal text: AA

Greyscale equivalent#383838

Inverted#0EFFC2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#635B3Cno red cones; affects about 1% of men; ΔE 82.9 from the original

Deuteranopia#988934no green cones; the most common form, about 1% of men; ΔE 83.2 from the original

Tritanopia#FF0025no blue cones; rare, and affects men and women equally; ΔE 16.9 from the original

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

Contrast with white, large text4.37:1WCAG large text: AA

Contrast with black, large text4.81:1WCAG large text: AAA

Named colours

Crimson · ΔE 9.2 Tomato · ΔE 24.4 Firebrick · ΔE 24.8 Red · ΔE 29 Brown · ΔE 32.1 Orange red · ΔE 32.9

Nearest named CSS colourCrimson (#DC143C)ΔE 9.18, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00F1B4

Analogous#F100B5, #F13C00

Triadic#3DF100, #003DF1

Split complementary#00F13B, #00B5F1

Tetradic#B5F100, #00F1B4, #3B00F1

Tints, shades & saturation

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

Lighter +40%#FFBECE

Lighter +30%#FF8BA8

Lighter +20%#FF5882

Lighter +10%#FF255C

Darker −10%#BE0030

Darker −20%#8B0023

Darker −30%#580016

Darker −40%#250009

More saturated +25%#F1003D

Less saturated −25%#D31E4C

Channel breakdown

R241

B61

Red241 (94.5%)

Green0 (0%)

Blue61 (23.9%)

Hue344.81°

Saturation (HSL)100%

Lightness47.25%

Dominant channelRed

Hex per channelR F1 · G 00 · B 3D

Keep nerding

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

#F1003D

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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