Colour

#FF3F16

#FF3F16
Red
Dark
Nearest: Orange red

#FF3F16 is a red with RGB values 255, 63, 22 and HSL 11°, 100%, 54%. It is a dark colour, so black text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Orange red.

Colour values

#FF3F16#FF3F16

HEX#FF3F16

RGBrgb(255, 63, 22)

RGB (0–1)1, 0.2471, 0.0863

RGB percentages100%, 24.7%, 8.6%

HSLhsl(10.6, 100%, 54.3%)

HSV / HSBhsv(10.6, 91.4%, 100%)

CMYK0%, 75.3%, 91.4%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,727,830

CSS custom property--colour: #FF3F16;

Brightness & contrast

Relative luminance0.24873WCAG 2.x, 0 is black and 1 is white

Perceived brightness147.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.97:1

Contrast with white3.51:1WCAG normal text: Fail

Contrast with black5.97:1WCAG normal text: AA

Greyscale equivalent#656565

Inverted#00C0E9

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#7C6D07no red cones; affects about 1% of men; ΔE 75.9 from the original

Deuteranopia#AB9800no green cones; the most common form, about 1% of men; ΔE 76.1 from the original

Tritanopia#FF0039no blue cones; rare, and affects men and women equally; ΔE 22.2 from the original

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

Contrast with white, large text3.51:1WCAG large text: AA

Contrast with black, large text5.97:1WCAG large text: AAA

Named colours

Orange red · ΔE 5.9 Red · ΔE 11.5 Tomato · ΔE 21.5 Coral · ΔE 31 Crimson · ΔE 31.5 Chocolate · ΔE 33.5

Nearest named CSS colourOrange red (#FF4500)ΔE 5.87, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#16D6FF

Analogous#FF1661, #FFB416

Triadic#16FF3F, #3F16FF

Split complementary#16FFB3, #1662FF

Tetradic#62FF16, #16D6FF, #B416FF

Tints, shades & saturation

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

Lighter +40%#FFE7E2

Lighter +30%#FFBDAF

Lighter +20%#FF937C

Lighter +10%#FF6949

Darker −10%#E22800

Darker −20%#AF1F00

Darker −30%#7C1600

Darker −40%#490D00

More saturated +25%#FF3F16

Less saturated −25%#E25233

Channel breakdown

R255

G63

B22

Red255 (100%)

Green63 (24.7%)

Blue22 (8.6%)

Hue10.56°

Saturation (HSL)100%

Lightness54.31%

Dominant channelRed

Hex per channelR FF · G 3F · B 16

Keep nerding

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

#FF3F16

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

Nerdulate something else