Recognised as Colour

#FF1C05

#FF1C05
Red
Dark
Nearest: Red

#FF1C05 is a red with RGB values 255, 28, 5 and HSL 6°, 100%, 51%. It is a dark colour, so black text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Red.

Colour values

#FF1C05#FF1C05

HEX#FF1C05

RGBrgb(255, 28, 5)

RGB (0–1)1, 0.1098, 0.0196

RGB percentages100%, 11%, 2%

HSLhsl(5.5, 100%, 51%)

HSV / HSBhsv(5.5, 98%, 100%)

CMYK0%, 89%, 98%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,718,853

CSS custom property--colour: #FF1C05;

Brightness & contrast

Relative luminance0.22101WCAG 2.x, 0 is black and 1 is white

Perceived brightness141.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.42:1

Contrast with white3.87:1WCAG normal text: Fail

Contrast with black5.42:1WCAG normal text: AA

Greyscale equivalent#4B4B4B

Inverted#00E3FA

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#716300no red cones; affects about 1% of men; ΔE 84.2 from the original

Deuteranopia#A59200no green cones; the most common form, about 1% of men; ΔE 83.4 from the original

Tritanopia#FF001Eno blue cones; rare, and affects men and women equally; ΔE 8.8 from the original

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

Contrast with white, large text3.87:1WCAG large text: AA

Contrast with black, large text5.42:1WCAG large text: AAA

Named colours

Red · ΔE 2.8 Orange red · ΔE 10.7 Tomato · ΔE 29.2 Crimson · ΔE 34.1 Firebrick · ΔE 38.9 Coral · ΔE 39.6

Nearest named CSS colourRed (#FF0000)ΔE 2.83, a close match

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#05E8FF

Analogous#FF056B, #FF9905

Triadic#05FF1C, #1C05FF

Split complementary#05FF99, #056BFF

Tetradic#6BFF05, #05E8FF, #9905FF

Tints, shades & saturation

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

Lighter +40%#FFD5D1

Lighter +30%#FFA79E

Lighter +20%#FF796B

Lighter +10%#FF4A38

Darker −10%#D11300

Darker −20%#9E0F00

Darker −30%#6B0A00

Darker −40%#380500

More saturated +25%#FF1C05

Less saturated −25%#E03524

Channel breakdown

R255

G28

Red255 (100%)

Green28 (11%)

Blue5 (2%)

Hue5.52°

Saturation (HSL)100%

Lightness50.98%

Dominant channelRed

Hex per channelR FF · G 1C · B 05

Keep nerding

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

#FF1C05

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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