Recognised as Colour

#FF3F2D

#FF3F2D
Red
Dark
Nearest: Orange red

#FF3F2D is a red with RGB values 255, 63, 45 and HSL 5°, 100%, 59%. 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

#FF3F2D#FF3F2D

HEX#FF3F2D

RGBrgb(255, 63, 45)

RGB (0–1)1, 0.2471, 0.1765

RGB percentages100%, 24.7%, 17.6%

HSLhsl(5.1, 100%, 58.8%)

HSV / HSBhsv(5.1, 82.4%, 100%)

CMYK0%, 75.3%, 82.4%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,727,853

CSS custom property--colour: #FF3F2D;

Brightness & contrast

Relative luminance0.25004WCAG 2.x, 0 is black and 1 is white

Perceived brightness148.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6:1

Contrast with white3.5:1WCAG normal text: Fail

Contrast with black6:1WCAG normal text: AA

Greyscale equivalent#676767

Inverted#00C0D2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#7B6E28no red cones; affects about 1% of men; ΔE 76.3 from the original

Deuteranopia#AA9822no green cones; the most common form, about 1% of men; ΔE 76.4 from the original

Tritanopia#FF003Dno blue cones; rare, and affects men and women equally; ΔE 16.5 from the original

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

Contrast with white, large text3.5:1WCAG large text: AA

Contrast with black, large text6:1WCAG large text: AAA

Named colours

Orange red · ΔE 14.9 Tomato · ΔE 15.6 Red · ΔE 16.7 Crimson · ΔE 23 Coral · ΔE 27.8 Firebrick · ΔE 28.4

Nearest named CSS colourOrange red (#FF4500)ΔE 14.88, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2DEDFF

Analogous#FF2D84, #FFA82D

Triadic#2DFF3F, #3F2DFF

Split complementary#2DFFA8, #2D84FF

Tetradic#84FF2D, #2DEDFF, #A82DFF

Tints, shades & saturation

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

Lighter +40%#FFFAF9

Lighter +30%#FFCBC6

Lighter +20%#FF9C93

Lighter +10%#FF6E60

Darker −10%#F91500

Darker −20%#C61100

Darker −30%#930D00

Darker −40%#600800

More saturated +25%#FF3F2D

Less saturated −25%#E55547

Channel breakdown

R255

G63

B45

Red255 (100%)

Green63 (24.7%)

Blue45 (17.6%)

Hue5.14°

Saturation (HSL)100%

Lightness58.82%

Dominant channelRed

Hex per channelR FF · G 3F · B 2D

Keep nerding

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

#FF3F2D

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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