Recognised as Colour

#D21535

#D21535
Red
Dark
Nearest: Crimson

#D21535 is a red with RGB values 210, 21, 53 and HSL 350°, 82%, 45%. It is a dark colour, so white text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#D21535#D21535

HEX#D21535

RGBrgb(210, 21, 53)

RGB (0–1)0.8235, 0.0824, 0.2078

RGB percentages82.4%, 8.2%, 20.8%

HSLhsl(349.8, 81.8%, 45.3%)

HSV / HSBhsv(349.8, 90%, 82.4%)

CMYK0%, 90%, 74.8%, 17.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,767,989

CSS custom property--colour: #D21535;

Brightness & contrast

Relative luminance0.14495WCAG 2.x, 0 is black and 1 is white

Perceived brightness117.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.39:1

Contrast with white5.39:1WCAG normal text: AA

Contrast with black3.9:1WCAG normal text: Fail

Greyscale equivalent#3F3F3F

Inverted#2DEACA

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#595134no red cones; affects about 1% of men; ΔE 72.2 from the original

Deuteranopia#85782Eno green cones; the most common form, about 1% of men; ΔE 72.9 from the original

Tritanopia#E70026no blue cones; rare, and affects men and women equally; ΔE 15.4 from the original

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

Contrast with white, large text5.39:1WCAG large text: AAA

Contrast with black, large text3.9:1WCAG large text: AA

Named colours

Crimson · ΔE 3.8 Firebrick · ΔE 13.7 Brown · ΔE 20.2 Tomato · ΔE 23.1 Dark red · ΔE 24.8 Indian red · ΔE 27.7

Nearest named CSS colourCrimson (#DC143C)ΔE 3.8, a close match

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#15D2B2

Analogous#D21593, #D25315

Triadic#35D215, #1535D2

Split complementary#15D253, #1593D2

Tetradic#94D215, #15D2B2, #5415D2

Tints, shades & saturation

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

Lighter +40%#F8BBC5

Lighter +30%#F48C9E

Lighter +20%#EF5E77

Lighter +10%#EA304F

Darker −10%#A41029

Darker −20%#750C1E

Darker −30%#470712

Darker −40%#190206

More saturated +25%#E70027

Less saturated −25%#B53248

Channel breakdown

R210

G21

B53

Red210 (82.4%)

Green21 (8.2%)

Blue53 (20.8%)

Hue349.84°

Saturation (HSL)81.82%

Lightness45.29%

Dominant channelRed

Hex per channelR D2 · G 15 · B 35

Keep nerding

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

#D21535

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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