Recognised as Colour

#FF0F04

#FF0F04
Red
Dark
Nearest: Red

#FF0F04 is a red with RGB values 255, 15, 4 and HSL 3°, 100%, 51%. It is a dark colour, so black text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Red.

Colour values

#FF0F04#FF0F04

HEX#FF0F04

RGBrgb(255, 15, 4)

RGB (0–1)1, 0.0588, 0.0157

RGB percentages100%, 5.9%, 1.6%

HSLhsl(2.6, 100%, 50.8%)

HSV / HSBhsv(2.6, 98.4%, 100%)

CMYK0%, 94.1%, 98.4%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,715,524

CSS custom property--colour: #FF0F04;

Brightness & contrast

Relative luminance0.2161WCAG 2.x, 0 is black and 1 is white

Perceived brightness139.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.32:1

Contrast with white3.95:1WCAG normal text: Fail

Contrast with black5.32:1WCAG normal text: AA

Greyscale equivalent#414141

Inverted#00F0FB

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6E6100no red cones; affects about 1% of men; ΔE 86.2 from the original

Deuteranopia#A49100no green cones; the most common form, about 1% of men; ΔE 84.8 from the original

Tritanopia#FF0017no blue cones; rare, and affects men and women equally; ΔE 5.7 from the original

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

Contrast with white, large text3.95:1WCAG large text: AA

Contrast with black, large text5.32:1WCAG large text: AAA

Named colours

Red · ΔE 1.4 Orange red · ΔE 12.2 Tomato · ΔE 30.3 Crimson · ΔE 34.4 Firebrick · ΔE 39.6 Coral · ΔE 41

Nearest named CSS colourRed (#FF0000)ΔE 1.4, below the just-noticeable difference

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#04F4FF

Analogous#FF0477, #FF8C04

Triadic#04FF0F, #0F04FF

Split complementary#04FF8C, #0477FF

Tetradic#77FF04, #04F4FF, #8C04FF

Tints, shades & saturation

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

Lighter +40%#FFD2D0

Lighter +30%#FFA19D

Lighter +20%#FF716A

Lighter +10%#FF4037

Darker −10%#D00900

Darker −20%#9D0700

Darker −30%#6A0500

Darker −40%#370200

More saturated +25%#FF0F04

Less saturated −25%#E02C23

Channel breakdown

R255

G15

Red255 (100%)

Green15 (5.9%)

Blue4 (1.6%)

Hue2.63°

Saturation (HSL)100%

Lightness50.78%

Dominant channelRed

Hex per channelR FF · G 0F · B 04

Keep nerding

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

#FF0F04

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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