Recognised as Colour

#FF0A05

#FF0A05
Red
Dark
Nearest: Red

#FF0A05 is a red with RGB values 255, 10, 5 and HSL 1°, 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

#FF0A05#FF0A05

HEX#FF0A05

RGBrgb(255, 10, 5)

RGB (0–1)1, 0.0392, 0.0196

RGB percentages100%, 3.9%, 2%

HSLhsl(1.2, 100%, 51%)

HSV / HSBhsv(1.2, 98%, 100%)

CMYK0%, 96.1%, 98%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,714,245

CSS custom property--colour: #FF0A05;

Brightness & contrast

Relative luminance0.21488WCAG 2.x, 0 is black and 1 is white

Perceived brightness139.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.3:1

Contrast with white3.96:1WCAG normal text: Fail

Contrast with black5.3:1WCAG normal text: AA

Greyscale equivalent#3E3E3E

Inverted#00F5FA

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6E6000no red cones; affects about 1% of men; ΔE 86 from the original

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

Tritanopia#FF0015no blue cones; rare, and affects men and women equally; ΔE 4.6 from the original

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

Contrast with white, large text3.96:1WCAG large text: AA

Contrast with black, large text5.3:1WCAG large text: AAA

Named colours

Red · ΔE 1.3 Orange red · ΔE 12.7 Tomato · ΔE 30.5 Crimson · ΔE 34.2 Firebrick · ΔE 39.6 Coral · ΔE 41.2

Nearest named CSS colourRed (#FF0000)ΔE 1.34, below the just-noticeable difference

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#05FAFF

Analogous#FF057D, #FF8705

Triadic#05FF0A, #0A05FF

Split complementary#05FF87, #057DFF

Tetradic#7DFF05, #05FAFF, #8705FF

Tints, shades & saturation

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

Lighter +40%#FFD2D1

Lighter +30%#FFA09E

Lighter +20%#FF6E6B

Lighter +10%#FF3C38

Darker −10%#D10400

Darker −20%#9E0300

Darker −30%#6B0200

Darker −40%#380100

More saturated +25%#FF0A05

Less saturated −25%#E02824

Channel breakdown

R255

G10

Red255 (100%)

Green10 (3.9%)

Blue5 (2%)

Hue1.2°

Saturation (HSL)100%

Lightness50.98%

Dominant channelRed

Hex per channelR FF · G 0A · B 05

Keep nerding

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

#FF0A05

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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