Recognised as Colour

#DD2451

#DD2451
Red
Dark
Nearest: Crimson

#DD2451 is a red with RGB values 221, 36, 81 and HSL 345°, 73%, 50%. It is a dark colour, so white text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#DD2451#DD2451

HEX#DD2451

RGBrgb(221, 36, 81)

RGB (0–1)0.8667, 0.1412, 0.3176

RGB percentages86.7%, 14.1%, 31.8%

HSLhsl(345.4, 73.1%, 50.4%)

HSV / HSBhsv(345.4, 83.7%, 86.7%)

CMYK0%, 83.7%, 63.3%, 13.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer14,492,753

CSS custom property--colour: #DD2451;

Brightness & contrast

Relative luminance0.17228WCAG 2.x, 0 is black and 1 is white

Perceived brightness126.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.72:1

Contrast with white4.72:1WCAG normal text: AA

Contrast with black4.45:1WCAG normal text: Fail

Greyscale equivalent#4F4F4F

Inverted#22DBAE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5E5B51no red cones; affects about 1% of men; ΔE 72.7 from the original

Deuteranopia#8C814Cno green cones; the most common form, about 1% of men; ΔE 73.6 from the original

Tritanopia#F20039no blue cones; rare, and affects men and women equally; ΔE 20.2 from the original

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

Contrast with white, large text4.72:1WCAG large text: AAA

Contrast with black, large text4.45:1WCAG large text: AA

Named colours

Crimson · ΔE 11 Firebrick · ΔE 22.1 Brown · ΔE 23.8 Indian red · ΔE 25 Tomato · ΔE 29.6 Salmon · ΔE 31.2

Nearest named CSS colourCrimson (#DC143C)ΔE 11, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#24DDB0

Analogous#DD24AD, #DD5424

Triadic#51DD24, #2451DD

Split complementary#24DD54, #24ADDD

Tetradic#ADDD24, #24DDB0, #5424DD

Tints, shades & saturation

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

Lighter +40%#F8D5DD

Lighter +30%#F2A8BA

Lighter +20%#EB7C97

Lighter +10%#E45074

Darker −10%#B21C40

Darker −20%#861530

Darker −30%#5A0E20

Darker −40%#2E0711

More saturated +25%#FD0441

Less saturated −25%#BD4461

Channel breakdown

R221

G36

B81

Red221 (86.7%)

Green36 (14.1%)

Blue81 (31.8%)

Hue345.41°

Saturation (HSL)73.12%

Lightness50.39%

Dominant channelRed

Hex per channelR DD · G 24 · B 51

Keep nerding

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

#DD2451

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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