Recognised as Colour

#D3174E

#D3174E
Red
Dark
Nearest: Crimson

#D3174E is a red with RGB values 211, 23, 78 and HSL 342°, 80%, 46%. It is a dark colour, so white text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#D3174E#D3174E

HEX#D3174E

RGBrgb(211, 23, 78)

RGB (0–1)0.8275, 0.0902, 0.3059

RGB percentages82.7%, 9%, 30.6%

HSLhsl(342.4, 80.3%, 45.9%)

HSV / HSBhsv(342.4, 89.1%, 82.7%)

CMYK0%, 89.1%, 63%, 17.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,834,062

CSS custom property--colour: #D3174E;

Brightness & contrast

Relative luminance0.15012WCAG 2.x, 0 is black and 1 is white

Perceived brightness119.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.25:1

Contrast with white5.25:1WCAG normal text: AA

Contrast with black4:1WCAG normal text: Fail

Greyscale equivalent#434343

Inverted#2CE8B1

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#56544Fno red cones; affects about 1% of men; ΔE 72.1 from the original

Deuteranopia#847949no green cones; the most common form, about 1% of men; ΔE 72.6 from the original

Tritanopia#E80032no blue cones; rare, and affects men and women equally; ΔE 22.6 from the original

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

Contrast with white, large text5.25:1WCAG large text: AAA

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

Named colours

Crimson · ΔE 13.3 Firebrick · ΔE 22.6 Brown · ΔE 23.3 Indian red · ΔE 25.5 Deep pink · ΔE 32.1 Dark red · ΔE 32.7

Nearest named CSS colourCrimson (#DC143C)ΔE 13.31, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#17D39C

Analogous#D317AC, #D33E17

Triadic#4ED317, #174ED3

Split complementary#17D33E, #17ACD3

Tetradic#ACD317, #17D39C, #3E17D3

Tints, shades & saturation

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

Lighter +40%#F8BECF

Lighter +30%#F390AD

Lighter +20%#EE628B

Lighter +10%#E93469

Darker −10%#A5123D

Darker −20%#770D2C

Darker −30%#49081B

Darker −40%#1B030A

More saturated +25%#EA0044

Less saturated −25%#B6345A

Channel breakdown

R211

G23

B78

Red211 (82.7%)

Green23 (9%)

Blue78 (30.6%)

Hue342.45°

Saturation (HSL)80.34%

Lightness45.88%

Dominant channelRed

Hex per channelR D3 · G 17 · B 4E

Keep nerding

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

#D3174E

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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