Colour

#FF010C

#FF010C
Red
Dark
Nearest: Red

#FF010C is a red with RGB values 255, 1, 12 and HSL 357°, 100%, 50%. 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

#FF010C#FF010C

HEX#FF010C

RGBrgb(255, 1, 12)

RGB (0–1)1, 0.0039, 0.0471

RGB percentages100%, 0.4%, 4.7%

HSLhsl(357.4, 100%, 50.2%)

HSV / HSBhsv(357.4, 99.6%, 100%)

CMYK0%, 99.6%, 95.3%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,711,948

CSS custom property--colour: #FF010C;

Brightness & contrast

Relative luminance0.21308WCAG 2.x, 0 is black and 1 is white

Perceived brightness139.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.26:1

Contrast with white3.99:1WCAG normal text: Fail

Contrast with black5.26:1WCAG normal text: AA

Greyscale equivalent#383838

Inverted#00FEF3

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6D5F00no red cones; affects about 1% of men; ΔE 86.3 from the original

Deuteranopia#A39000no green cones; the most common form, about 1% of men; ΔE 85.7 from the original

Tritanopia#FF0012no blue cones; rare, and affects men and women equally; ΔE 1.7 from the original

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

Contrast with white, large text3.99:1WCAG large text: AA

Contrast with black, large text5.26:1WCAG large text: AAA

Named colours

Red · ΔE 2.9 Orange red · ΔE 13.9 Tomato · ΔE 29.9 Crimson · ΔE 32.6 Firebrick · ΔE 38.7 Coral · ΔE 41.1

Nearest named CSS colourRed (#FF0000)ΔE 2.91, a close match

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#01FFF4

Analogous#FF018B, #FF7501

Triadic#0CFF01, #010CFF

Split complementary#01FF75, #018BFF

Tetradic#8BFF01, #01FFF4, #7501FF

Tints, shades & saturation

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

Lighter +40%#FFCDCF

Lighter +30%#FF9A9E

Lighter +20%#FF676E

Lighter +10%#FF343D

Darker −10%#CD0009

Darker −20%#9A0007

Darker −30%#670004

Darker −40%#340002

More saturated +25%#FF010C

Less saturated −25%#DF2129

Channel breakdown

R255

B12

Red255 (100%)

Green1 (0.4%)

Blue12 (4.7%)

Hue357.4°

Saturation (HSL)100%

Lightness50.2%

Dominant channelRed

Hex per channelR FF · G 01 · B 0C

Keep nerding

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

#FF010C

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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