Recognised as Colour

#DF001E

#DF001E
Red
Dark
Nearest: Crimson

#DF001E is a red with RGB values 223, 0, 30 and HSL 352°, 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 Crimson.

Colour values

#DF001E#DF001E

HEX#DF001E

RGBrgb(223, 0, 30)

RGB (0–1)0.8745, 0, 0.1176

RGB percentages87.5%, 0%, 11.8%

HSLhsl(351.9, 100%, 43.7%)

HSV / HSBhsv(351.9, 100%, 87.5%)

CMYK0%, 100%, 86.5%, 12.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer14,614,558

CSS custom property--colour: #DF001E;

Brightness & contrast

Relative luminance0.15782WCAG 2.x, 0 is black and 1 is white

Perceived brightness122.4 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#323232

Inverted#20FFE1

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5D531Bno red cones; affects about 1% of men; ΔE 78.7 from the original

Deuteranopia#8D7E0Dno green cones; the most common form, about 1% of men; ΔE 78.6 from the original

Tritanopia#F60015no blue cones; rare, and affects men and women equally; ΔE 11.9 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

Crimson · ΔE 16.6 Red · ΔE 19.8 Tomato · ΔE 21.8 Firebrick · ΔE 22.2 Orange red · ΔE 22.4 Dark red · ΔE 29.9

Nearest named CSS colourCrimson (#DC143C)ΔE 16.56, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00DFC1

Analogous#DF008D, #DF5200

Triadic#1EDF00, #001EDF

Split complementary#00DF52, #008DDF

Tetradic#8DDF00, #00DFC1, #5200DF

Tints, shades & saturation

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

Lighter +40%#FFACB7

Lighter +30%#FF798B

Lighter +20%#FF465F

Lighter +10%#FF1333

Darker −10%#AC0017

Darker −20%#790010

Darker −30%#460009

Darker −40%#130003

More saturated +25%#DF001E

Less saturated −25%#C31C32

Channel breakdown

R223

B30

Red223 (87.5%)

Green0 (0%)

Blue30 (11.8%)

Hue351.93°

Saturation (HSL)100%

Lightness43.73%

Dominant channelRed

Hex per channelR DF · G 00 · B 1E

Keep nerding

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

#DF001E

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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