Recognised as Colour

#FD3F04

#FD3F04
Red
Dark
Nearest: Orange red

#FD3F04 is a red with RGB values 253, 63, 4 and HSL 14°, 98%, 50%. It is a dark colour, so black text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Orange red.

Colour values

#FD3F04#FD3F04

HEX#FD3F04

RGBrgb(253, 63, 4)

RGB (0–1)0.9922, 0.2471, 0.0157

RGB percentages99.2%, 24.7%, 1.6%

HSLhsl(14.2, 98.4%, 50.4%)

HSV / HSBhsv(14.2, 98.4%, 99.2%)

CMYK0%, 75.1%, 98.4%, 0.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,596,740

CSS custom property--colour: #FD3F04;

Brightness & contrast

Relative luminance0.24446WCAG 2.x, 0 is black and 1 is white

Perceived brightness146.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.89:1

Contrast with white3.57:1WCAG normal text: Fail

Contrast with black5.89:1WCAG normal text: AA

Greyscale equivalent#636363

Inverted#02C0FB

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#7C6D00no red cones; affects about 1% of men; ΔE 75.7 from the original

Deuteranopia#AA9700no green cones; the most common form, about 1% of men; ΔE 75.3 from the original

Tritanopia#FF0038no blue cones; rare, and affects men and women equally; ΔE 25.4 from the original

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

Contrast with white, large text3.57:1WCAG large text: AA

Contrast with black, large text5.89:1WCAG large text: AAA

Named colours

Orange red · ΔE 2.3 Red · ΔE 11.5 Tomato · ΔE 24.5 Coral · ΔE 32.8 Chocolate · ΔE 33.8 Crimson · ΔE 35.2

Nearest named CSS colourOrange red (#FF4500)ΔE 2.28, below the just-noticeable difference

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#04C2FD

Analogous#FD0446, #FDBB04

Triadic#04FD3F, #3F04FD

Split complementary#04FDBB, #0446FD

Tetradic#46FD04, #04C2FD, #BB04FD

Tints, shades & saturation

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

Lighter +40%#FFDACE

Lighter +30%#FEB39C

Lighter +20%#FE8C69

Lighter +10%#FD6637

Darker −10%#CC3202

Darker −20%#9A2501

Darker −30%#671901

Darker −40%#350D00

More saturated +25%#FF3E02

Less saturated −25%#DD5024

Channel breakdown

R253

G63

Red253 (99.2%)

Green63 (24.7%)

Blue4 (1.6%)

Hue14.22°

Saturation (HSL)98.42%

Lightness50.39%

Dominant channelRed

Hex per channelR FD · G 3F · B 04

Keep nerding

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

#FD3F04

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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