Colour

#FF0C15

#FF0C15
Red
Dark
Nearest: Red

#FF0C15 is a red with RGB values 255, 12, 21 and HSL 358°, 100%, 52%. 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

#FF0C15#FF0C15

HEX#FF0C15

RGBrgb(255, 12, 21)

RGB (0–1)1, 0.0471, 0.0824

RGB percentages100%, 4.7%, 8.2%

HSLhsl(357.8, 100%, 52.4%)

HSV / HSBhsv(357.8, 95.3%, 100%)

CMYK0%, 95.3%, 91.8%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,714,773

CSS custom property--colour: #FF0C15;

Brightness & contrast

Relative luminance0.21577WCAG 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#404040

Inverted#00F3EA

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6E600Cno red cones; affects about 1% of men; ΔE 85.5 from the original

Deuteranopia#A49100no green cones; the most common form, about 1% of men; ΔE 85.2 from the original

Tritanopia#FF0019no blue cones; rare, and affects men and women equally; ΔE 1.9 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 5.5 Orange red · ΔE 14.3 Tomato · ΔE 27.8 Crimson · ΔE 30.1 Firebrick · ΔE 36.6 Coral · ΔE 39.4

Nearest named CSS colourRed (#FF0000)ΔE 5.53, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0CFFF6

Analogous#FF0C8E, #FF7C0C

Triadic#15FF0C, #0C15FF

Split complementary#0CFF7C, #0C8EFF

Tetradic#8FFF0C, #0CFFF6, #7D0CFF

Tints, shades & saturation

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

Lighter +40%#FFD8D9

Lighter +30%#FFA5A8

Lighter +20%#FF7277

Lighter +10%#FF3F46

Darker −10%#D80008

Darker −20%#A50006

Darker −30%#720004

Darker −40%#3F0002

More saturated +25%#FF0C15

Less saturated −25%#E12A31

Channel breakdown

R255

G12

B21

Red255 (100%)

Green12 (4.7%)

Blue21 (8.2%)

Hue357.78°

Saturation (HSL)100%

Lightness52.35%

Dominant channelRed

Hex per channelR FF · G 0C · B 15

Keep nerding

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

#FF0C15

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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