Recognised as Colour

#D23727

#D23727
Red
Dark
Nearest: Firebrick

#D23727 is a red with RGB values 210, 55, 39 and HSL 6°, 69%, 49%. It is a dark colour, so white text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#D23727#D23727

HEX#D23727

RGBrgb(210, 55, 39)

RGB (0–1)0.8235, 0.2157, 0.1529

RGB percentages82.4%, 21.6%, 15.3%

HSLhsl(5.6, 68.7%, 48.8%)

HSV / HSBhsv(5.6, 81.4%, 82.4%)

CMYK0%, 73.8%, 81.4%, 17.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,776,679

CSS custom property--colour: #D23727;

Brightness & contrast

Relative luminance0.1658WCAG 2.x, 0 is black and 1 is white

Perceived brightness123 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.87:1

Contrast with white4.87:1WCAG normal text: AA

Contrast with black4.32:1WCAG normal text: Fail

Greyscale equivalent#575757

Inverted#2DC8D8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#665C23no red cones; affects about 1% of men; ΔE 64.7 from the original

Deuteranopia#8D7E1Fno green cones; the most common form, about 1% of men; ΔE 64.5 from the original

Tritanopia#E70035no blue cones; rare, and affects men and women equally; ΔE 16.9 from the original

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

Contrast with white, large text4.87:1WCAG large text: AAA

Contrast with black, large text4.32:1WCAG large text: AA

Named colours

Firebrick · ΔE 12.1 Tomato · ΔE 14.6 Crimson · ΔE 16.7 Brown · ΔE 20.5 Dark red · ΔE 21.7 Coral · ΔE 24.1

Nearest named CSS colourFirebrick (#B22222)ΔE 12.13, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#27C2D2

Analogous#D2276D, #D28C27

Triadic#27D237, #3727D2

Split complementary#27D28C, #276DD2

Tetradic#6DD227, #27C2D2, #8C27D2

Tints, shades & saturation

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

Lighter +40%#F6D3CF

Lighter +30%#EEABA4

Lighter +20%#E68379

Lighter +10%#DE5B4E

Darker −10%#A72C1F

Darker −20%#7C2017

Darker −30%#51150F

Darker −40%#260A07

More saturated +25%#F11E08

Less saturated −25%#B35046

Channel breakdown

R210

G55

B39

Red210 (82.4%)

Green55 (21.6%)

Blue39 (15.3%)

Hue5.61°

Saturation (HSL)68.67%

Lightness48.82%

Dominant channelRed

Hex per channelR D2 · G 37 · B 27

Keep nerding

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

#D23727

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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