Recognised as Colour

#DF0504

#DF0504
Red
Dark
Nearest: Red

#DF0504 is a red with RGB values 223, 5, 4 and HSL 0°, 96%, 45%. It is a dark colour, so white text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Red.

Colour values

#DF0504#DF0504

HEX#DF0504

RGBrgb(223, 5, 4)

RGB (0–1)0.8745, 0.0196, 0.0157

RGB percentages87.5%, 2%, 1.6%

HSLhsl(0.3, 96.5%, 44.5%)

HSV / HSBhsv(0.3, 98.2%, 87.5%)

CMYK0%, 97.8%, 98.2%, 12.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer14,615,812

CSS custom property--colour: #DF0504;

Brightness & contrast

Relative luminance0.15805WCAG 2.x, 0 is black and 1 is white

Perceived brightness122 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.05:1

Contrast with white5.05:1WCAG normal text: AA

Contrast with black4.16:1WCAG normal text: Fail

Greyscale equivalent#333333

Inverted#20FAFB

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5F5300no red cones; affects about 1% of men; ΔE 78.1 from the original

Deuteranopia#8E7E00no green cones; the most common form, about 1% of men; ΔE 77.5 from the original

Tritanopia#F7000Fno blue cones; rare, and affects men and women equally; ΔE 8.3 from the original

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

Contrast with white, large text5.05:1WCAG large text: AAA

Contrast with black, large text4.16:1WCAG large text: AA

Named colours

Red · ΔE 12.9 Orange red · ΔE 15 Tomato · ΔE 24.7 Crimson · ΔE 26 Firebrick · ΔE 28.2 Dark red · ΔE 33.5

Nearest named CSS colourRed (#FF0000)ΔE 12.9, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#04DEDF

Analogous#DF0470, #DF7204

Triadic#04DF05, #0504DF

Split complementary#04DF72, #0471DF

Tetradic#71DF04, #04DEDF, #7304DF

Tints, shades & saturation

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

Lighter +40%#FEB2B1

Lighter +30%#FD807F

Lighter +20%#FC4E4D

Lighter +10%#FB1C1B

Darker −10%#AD0403

Darker −20%#7B0302

Darker −30%#490201

Darker −40%#170100

More saturated +25%#E30100

Less saturated −25%#C32120

Channel breakdown

R223

Red223 (87.5%)

Green5 (2%)

Blue4 (1.6%)

Hue0.27°

Saturation (HSL)96.48%

Lightness44.51%

Dominant channelRed

Hex per channelR DF · G 05 · B 04

Keep nerding

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

#DF0504

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

Nerdulate something else