Colour

#EA0000

#EA0000
Red
Dark
Nearest: Red

#EA0000 is a red with RGB values 234, 0, 0 and HSL 0°, 100%, 46%. It is a dark colour, so white text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Red.

Colour values

#EA0000#EA0000

HEX#EA0000

RGBrgb(234, 0, 0)

RGB (0–1)0.9176, 0, 0

RGB percentages91.8%, 0%, 0%

HSLhsl(0, 100%, 45.9%)

HSV / HSBhsv(0, 100%, 91.8%)

CMYK0%, 100%, 100%, 8.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer15,335,424

CSS custom property--colour: #EA0000;

Brightness & contrast

Relative luminance0.17492WCAG 2.x, 0 is black and 1 is white

Perceived brightness128 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.67:1

Contrast with white4.67:1WCAG normal text: AA

Contrast with black4.5:1WCAG normal text: Fail

Greyscale equivalent#323232

Inverted#15FFFF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#635700no red cones; affects about 1% of men; ΔE 81.9 from the original

Deuteranopia#958400no green cones; the most common form, about 1% of men; ΔE 80.6 from the original

Tritanopia#FF000Dno blue cones; rare, and affects men and women equally; ΔE 6.8 from the original

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

Contrast with white, large text4.67:1WCAG large text: AAA

Contrast with black, large text4.5:1WCAG large text: AA

Named colours

Red · ΔE 7.9 Orange red · ΔE 12.8 Tomato · ΔE 27.3 Crimson · ΔE 29.7 Firebrick · ΔE 33.2 Coral · ΔE 38.2

Nearest named CSS colourRed (#FF0000)ΔE 7.89, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00EAEA

Analogous#EA0075, #EA7500

Triadic#00EA00, #0000EA

Split complementary#00EA75, #0075EA

Tetradic#75EA00, #00EAEA, #7500EA

Tints, shades & saturation

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

Lighter +40%#FFB7B7

Lighter +30%#FF8484

Lighter +20%#FF5151

Lighter +10%#FF1E1E

Darker −10%#B70000

Darker −20%#840000

Darker −30%#510000

Darker −40%#1E0000

More saturated +25%#EA0000

Less saturated −25%#CD1D1D

Channel breakdown

R234

Red234 (91.8%)

Green0 (0%)

Blue0 (0%)

Hue0°

Saturation (HSL)100%

Lightness45.88%

Dominant channelRed

Hex per channelR EA · G 00 · B 00

Keep nerding

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

#EA0000

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