Recognised as Colour

#D21230

#D21230
Red
Dark
Nearest: Crimson

#D21230 is a red with RGB values 210, 18, 48 and HSL 351°, 84%, 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

#D21230#D21230

HEX#D21230

RGBrgb(210, 18, 48)

RGB (0–1)0.8235, 0.0706, 0.1882

RGB percentages82.4%, 7.1%, 18.8%

HSLhsl(350.6, 84.2%, 44.7%)

HSV / HSBhsv(350.6, 91.4%, 82.4%)

CMYK0%, 91.4%, 77.1%, 17.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,767,216

CSS custom property--colour: #D21230;

Brightness & contrast

Relative luminance0.14348WCAG 2.x, 0 is black and 1 is white

Perceived brightness116.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.43:1

Contrast with white5.43:1WCAG normal text: AA

Contrast with black3.87:1WCAG normal text: Fail

Greyscale equivalent#3D3D3D

Inverted#2DEDCF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#58512Fno red cones; affects about 1% of men; ΔE 73.5 from the original

Deuteranopia#857728no green cones; the most common form, about 1% of men; ΔE 72.9 from the original

Tritanopia#E80022no blue cones; rare, and affects men and women equally; ΔE 15.1 from the original

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

Contrast with white, large text5.43:1WCAG large text: AAA

Contrast with black, large text3.87:1WCAG large text: AA

Named colours

Crimson · ΔE 5.3 Firebrick · ΔE 13.5 Brown · ΔE 21.1 Tomato · ΔE 22.2 Dark red · ΔE 24.3 Maroon · ΔE 27.9

Nearest named CSS colourCrimson (#DC143C)ΔE 5.29, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#12D2B4

Analogous#D21290, #D25412

Triadic#30D212, #1230D2

Split complementary#12D254, #1290D2

Tetradic#90D212, #12D2B4, #5412D2

Tints, shades & saturation

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

Lighter +40%#F9B7C1

Lighter +30%#F58899

Lighter +20%#F15971

Lighter +10%#ED2A49

Darker −10%#A30E25

Darker −20%#740A1B

Darker −30%#450610

Darker −40%#160205

More saturated +25%#E40024

Less saturated −25%#B52E44

Channel breakdown

R210

G18

B48

Red210 (82.4%)

Green18 (7.1%)

Blue48 (18.8%)

Hue350.63°

Saturation (HSL)84.21%

Lightness44.71%

Dominant channelRed

Hex per channelR D2 · G 12 · B 30

Keep nerding

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

#D21230

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

Nerdulate something else