Colour

#EE0000

#EE0000
Red
Dark
Nearest: Red

#EE0000 is a red with RGB values 238, 0, 0 and HSL 0°, 100%, 47%. It is a dark colour, so black text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Red.

Colour values

#EE0000#EE0000

HEX#EE0000

HEX (short)#E00

RGBrgb(238, 0, 0)

RGB (0–1)0.9333, 0, 0

RGB percentages93.3%, 0%, 0%

HSLhsl(0, 100%, 46.7%)

HSV / HSBhsv(0, 100%, 93.3%)

CMYK0%, 100%, 100%, 6.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer15,597,568

CSS custom property--colour: #EE0000;

Brightness & contrast

Relative luminance0.18177WCAG 2.x, 0 is black and 1 is white

Perceived brightness130.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 4.64:1

Contrast with white4.53:1WCAG normal text: AA

Contrast with black4.64:1WCAG normal text: AA

Greyscale equivalent#333333

Inverted#11FFFF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#655800no red cones; affects about 1% of men; ΔE 82.5 from the original

Deuteranopia#988600no green cones; the most common form, about 1% of men; ΔE 81.3 from the original

Tritanopia#FF000Dno blue cones; rare, and affects men and women equally; ΔE 5.5 from the original

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

Contrast with white, large text4.53:1WCAG large text: AAA

Contrast with black, large text4.64:1WCAG large text: AAA

Named colours

Red · ΔE 6.4 Orange red · ΔE 12.5 Tomato · ΔE 28.1 Crimson · ΔE 30.7 Firebrick · ΔE 34.6 Coral · ΔE 38.9

Nearest named CSS colourRed (#FF0000)ΔE 6.38, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00EEEE

Analogous#EE0077, #EE7700

Triadic#00EE00, #0000EE

Split complementary#00EE77, #0077EE

Tetradic#77EE00, #00EEEE, #7700EE

Tints, shades & saturation

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

Lighter +40%#FFBBBB

Lighter +30%#FF8888

Lighter +20%#FF5555

Lighter +10%#FF2222

Darker −10%#BB0000

Darker −20%#880000

Darker −30%#550000

Darker −40%#220000

More saturated +25%#EE0000

Less saturated −25%#D01E1E

Channel breakdown

R238

Red238 (93.3%)

Green0 (0%)

Blue0 (0%)

Hue0°

Saturation (HSL)100%

Lightness46.67%

Dominant channelRed

Hex per channelR EE · G 00 · B 00

Keep nerding

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

#EE0000

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