Colour

#FF450F

#FF450F
Red
Dark
Nearest: Orange red

#FF450F is a red with RGB values 255, 69, 15 and HSL 13°, 100%, 53%. It is a dark colour, so black text on it reaches 6.1:1 contrast (AA for normal text). The nearest named colour is Orange red.

Colour values

#FF450F#FF450F

HEX#FF450F

RGBrgb(255, 69, 15)

RGB (0–1)1, 0.2706, 0.0588

RGB percentages100%, 27.1%, 5.9%

HSLhsl(13.5, 100%, 52.9%)

HSV / HSBhsv(13.5, 94.1%, 100%)

CMYK0%, 72.9%, 94.1%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,729,359

CSS custom property--colour: #FF450F;

Brightness & contrast

Relative luminance0.25551WCAG 2.x, 0 is black and 1 is white

Perceived brightness149.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.11:1

Contrast with white3.44:1WCAG normal text: Fail

Contrast with black6.11:1WCAG normal text: AA

Greyscale equivalent#696969

Inverted#00BAF0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#7F7000no red cones; affects about 1% of men; ΔE 74.3 from the original

Deuteranopia#AD9900no green cones; the most common form, about 1% of men; ΔE 73.8 from the original

Tritanopia#FF003Dno blue cones; rare, and affects men and women equally; ΔE 27.2 from the original

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

Contrast with white, large text3.44:1WCAG large text: AA

Contrast with black, large text6.11:1WCAG large text: AAA

Named colours

Orange red · ΔE 3.1 Red · ΔE 13 Tomato · ΔE 22.4 Coral · ΔE 30.7 Chocolate · ΔE 32.2 Crimson · ΔE 34.1

Nearest named CSS colourOrange red (#FF4500)ΔE 3.09, a close match

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0FC9FF

Analogous#FF0F51, #FFBD0F

Triadic#0FFF45, #450FFF

Split complementary#0FFFBD, #0F51FF

Tetradic#51FF0F, #0FC9FF, #BD0FFF

Tints, shades & saturation

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

Lighter +40%#FFE3DB

Lighter +30%#FFBCA8

Lighter +20%#FF9475

Lighter +10%#FF6D42

Darker −10%#DB3100

Darker −20%#A82600

Darker −30%#751A00

Darker −40%#420F00

More saturated +25%#FF450F

Less saturated −25%#E1562D

Channel breakdown

R255

G69

B15

Red255 (100%)

Green69 (27.1%)

Blue15 (5.9%)

Hue13.5°

Saturation (HSL)100%

Lightness52.94%

Dominant channelRed

Hex per channelR FF · G 45 · B 0F

Keep nerding

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

#FF450F

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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