Recognised as Colour

#FF3A0D

#FF3A0D
Red
Dark
Nearest: Orange red

#FF3A0D is a red with RGB values 255, 58, 13 and HSL 11°, 100%, 53%. 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

#FF3A0D#FF3A0D

HEX#FF3A0D

RGBrgb(255, 58, 13)

RGB (0–1)1, 0.2275, 0.051

RGB percentages100%, 22.7%, 5.1%

HSLhsl(11.2, 100%, 52.5%)

HSV / HSBhsv(11.2, 94.9%, 100%)

CMYK0%, 77.3%, 94.9%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,726,541

CSS custom property--colour: #FF3A0D;

Brightness & contrast

Relative luminance0.24315WCAG 2.x, 0 is black and 1 is white

Perceived brightness146.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.86:1

Contrast with white3.58:1WCAG normal text: Fail

Contrast with black5.86:1WCAG normal text: AA

Greyscale equivalent#616161

Inverted#00C5F2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#7A6B00no red cones; affects about 1% of men; ΔE 77.5 from the original

Deuteranopia#AA9700no green cones; the most common form, about 1% of men; ΔE 77.4 from the original

Tritanopia#FF0035no blue cones; rare, and affects men and women equally; ΔE 21.4 from the original

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

Contrast with white, large text3.58:1WCAG large text: AA

Contrast with black, large text5.86:1WCAG large text: AAA

Named colours

Orange red · ΔE 4.9 Red · ΔE 9.5 Tomato · ΔE 24.1 Crimson · ΔE 33.4 Coral · ΔE 33.4 Chocolate · ΔE 35.3

Nearest named CSS colourOrange red (#FF4500)ΔE 4.9, a close match

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0DD2FF

Analogous#FF0D59, #FFB30D

Triadic#0DFF3A, #3A0DFF

Split complementary#0DFFB3, #0D59FF

Tetradic#59FF0D, #0DD2FF, #B30DFF

Tints, shades & saturation

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

Lighter +40%#FFE0D9

Lighter +30%#FFB7A6

Lighter +20%#FF8D73

Lighter +10%#FF6440

Darker −10%#D92800

Darker −20%#A61F00

Darker −30%#731500

Darker −40%#400C00

More saturated +25%#FF3A0D

Less saturated −25%#E14D2B

Channel breakdown

R255

G58

B13

Red255 (100%)

Green58 (22.7%)

Blue13 (5.1%)

Hue11.16°

Saturation (HSL)100%

Lightness52.55%

Dominant channelRed

Hex per channelR FF · G 3A · B 0D

Keep nerding

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

#FF3A0D

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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