Recognised as Colour

#DF0400

#DF0400
Red
Dark
Nearest: Red

#DF0400 is a red with RGB values 223, 4, 0 and HSL 1°, 100%, 44%. It is a dark colour, so white text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Red.

Colour values

#DF0400#DF0400

HEX#DF0400

RGBrgb(223, 4, 0)

RGB (0–1)0.8745, 0.0157, 0

RGB percentages87.5%, 1.6%, 0%

HSLhsl(1.1, 100%, 43.7%)

HSV / HSBhsv(1.1, 100%, 87.5%)

CMYK0%, 98.2%, 100%, 12.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer14,615,552

CSS custom property--colour: #DF0400;

Brightness & contrast

Relative luminance0.15775WCAG 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 black4.15:1WCAG normal text: Fail

Greyscale equivalent#323232

Inverted#20FBFF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5F5300no red cones; affects about 1% of men; ΔE 78.4 from the original

Deuteranopia#8E7E00no green cones; the most common form, about 1% of men; ΔE 77.6 from the original

Tritanopia#F7000Eno blue cones; rare, and affects men and women equally; ΔE 8.1 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 text4.15:1WCAG large text: AA

Named colours

Red · ΔE 12.2 Orange red · ΔE 14.3 Tomato · ΔE 25.5 Crimson · ΔE 27.2 Firebrick · ΔE 29.2 Dark red · ΔE 34.2

Nearest named CSS colourRed (#FF0000)ΔE 12.21, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00DBDF

Analogous#DF006B, #DF7400

Triadic#00DF04, #0400DF

Split complementary#00DF74, #006BDF

Tetradic#6BDF00, #00DBDF, #7400DF

Tints, shades & saturation

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

Lighter +40%#FFADAC

Lighter +30%#FF7B79

Lighter +20%#FF4946

Lighter +10%#FF1713

Darker −10%#AC0300

Darker −20%#790200

Darker −30%#460100

Darker −40%#130000

More saturated +25%#DF0400

Less saturated −25%#C31F1C

Channel breakdown

R223

Red223 (87.5%)

Green4 (1.6%)

Blue0 (0%)

Hue1.08°

Saturation (HSL)100%

Lightness43.73%

Dominant channelRed

Hex per channelR DF · G 04 · B 00

Keep nerding

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

#DF0400

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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