Colour

#F4023D

#F4023D
Red
Dark
Nearest: Crimson

#F4023D is a red with RGB values 244, 2, 61 and HSL 345°, 98%, 48%. It is a dark colour, so black text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#F4023D#F4023D

HEX#F4023D

RGBrgb(244, 2, 61)

RGB (0–1)0.9569, 0.0078, 0.2392

RGB percentages95.7%, 0.8%, 23.9%

HSLhsl(345.4, 98.4%, 48.2%)

HSV / HSBhsv(345.4, 99.2%, 95.7%)

CMYK0%, 99.2%, 75%, 4.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer15,991,357

CSS custom property--colour: #F4023D;

Brightness & contrast

Relative luminance0.19613WCAG 2.x, 0 is black and 1 is white

Perceived brightness135 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 4.92:1

Contrast with white4.27:1WCAG normal text: Fail

Contrast with black4.92:1WCAG normal text: AA

Greyscale equivalent#3A3A3A

Inverted#0BFDC2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#655D3Cno red cones; affects about 1% of men; ΔE 83.7 from the original

Deuteranopia#9A8A34no green cones; the most common form, about 1% of men; ΔE 83.4 from the original

Tritanopia#FF0025no blue cones; rare, and affects men and women equally; ΔE 15.9 from the original

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

Contrast with white, large text4.27:1WCAG large text: AA

Contrast with black, large text4.92:1WCAG large text: AAA

Named colours

Crimson · ΔE 10.4 Tomato · ΔE 24.3 Firebrick · ΔE 25.7 Red · ΔE 28 Orange red · ΔE 32.1 Brown · ΔE 33.1

Nearest named CSS colourCrimson (#DC143C)ΔE 10.36, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#02F4B9

Analogous#F402B6, #F44002

Triadic#3DF402, #023DF4

Split complementary#02F440, #02B6F4

Tetradic#B6F402, #02F4B9, #4002F4

Tints, shades & saturation

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

Lighter +40%#FFC3D2

Lighter +30%#FE91AC

Lighter +20%#FE5E85

Lighter +10%#FD2C5F

Darker −10%#C10230

Darker −20%#8F0124

Darker −30%#5C0117

Darker −40%#2A000A

More saturated +25%#F6003C

Less saturated −25%#D5214D

Channel breakdown

R244

B61

Red244 (95.7%)

Green2 (0.8%)

Blue61 (23.9%)

Hue345.37°

Saturation (HSL)98.37%

Lightness48.24%

Dominant channelRed

Hex per channelR F4 · G 02 · B 3D

Keep nerding

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

#F4023D

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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