Colour

#D8002D

#D8002D
Red
Dark
Nearest: Crimson

#D8002D is a red with RGB values 216, 0, 45 and HSL 348°, 100%, 42%. It is a dark colour, so white text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#D8002D#D8002D

HEX#D8002D

RGBrgb(216, 0, 45)

RGB (0–1)0.8471, 0, 0.1765

RGB percentages84.7%, 0%, 17.6%

HSLhsl(347.5, 100%, 42.4%)

HSV / HSBhsv(347.5, 100%, 84.7%)

CMYK0%, 100%, 79.2%, 15.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer14,155,821

CSS custom property--colour: #D8002D;

Brightness & contrast

Relative luminance0.14788WCAG 2.x, 0 is black and 1 is white

Perceived brightness119.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.31:1

Contrast with white5.31:1WCAG normal text: AA

Contrast with black3.96:1WCAG normal text: Fail

Greyscale equivalent#313131

Inverted#27FFD2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#59502Cno red cones; affects about 1% of men; ΔE 76.3 from the original

Deuteranopia#887A24no green cones; the most common form, about 1% of men; ΔE 76.6 from the original

Tritanopia#EE001Bno blue cones; rare, and affects men and women equally; ΔE 16.3 from the original

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

Contrast with white, large text5.31:1WCAG large text: AAA

Contrast with black, large text3.96:1WCAG large text: AA

Named colours

Crimson · ΔE 6.9 Firebrick · ΔE 16.9 Tomato · ΔE 22.5 Brown · ΔE 25 Dark red · ΔE 26.7 Red · ΔE 29.4

Nearest named CSS colourCrimson (#DC143C)ΔE 6.92, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00D8AB

Analogous#D80099, #D83F00

Triadic#2DD800, #002DD8

Split complementary#00D83F, #0099D8

Tetradic#99D800, #00D8AB, #3F00D8

Tints, shades & saturation

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

Lighter +40%#FFA5B8

Lighter +30%#FF728F

Lighter +20%#FF3F67

Lighter +10%#FF0C3F

Darker −10%#A50022

Darker −20%#720018

Darker −30%#3F000D

Darker −40%#0C0002

More saturated +25%#D8002D

Less saturated −25%#BD1B3D

Channel breakdown

R216

B45

Red216 (84.7%)

Green0 (0%)

Blue45 (17.6%)

Hue347.5°

Saturation (HSL)100%

Lightness42.35%

Dominant channelRed

Hex per channelR D8 · G 00 · B 2D

Keep nerding

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

#D8002D

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