Colour

#E4542A

#E4542A
Red
Dark
Nearest: Tomato

#E4542A is a red with RGB values 228, 84, 42 and HSL 14°, 78%, 53%. It is a dark colour, so black text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Tomato.

Colour values

#E4542A#E4542A

HEX#E4542A

RGBrgb(228, 84, 42)

RGB (0–1)0.8941, 0.3294, 0.1647

RGB percentages89.4%, 32.9%, 16.5%

HSLhsl(13.5, 77.5%, 52.9%)

HSV / HSBhsv(13.5, 81.6%, 89.4%)

CMYK0%, 63.2%, 81.6%, 10.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer14,963,754

CSS custom property--colour: #E4542A;

Brightness & contrast

Relative luminance0.23002WCAG 2.x, 0 is black and 1 is white

Perceived brightness141 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.6:1

Contrast with white3.75:1WCAG normal text: Fail

Contrast with black5.6:1WCAG normal text: AA

Greyscale equivalent#707070

Inverted#1BABD5

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#7D7023no red cones; affects about 1% of men; ΔE 59.6 from the original

Deuteranopia#A19023no green cones; the most common form, about 1% of men; ΔE 59.8 from the original

Tritanopia#FB2C4Cno blue cones; rare, and affects men and women equally; ΔE 27.2 from the original

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

Contrast with white, large text3.75:1WCAG large text: AA

Contrast with black, large text5.6:1WCAG large text: AAA

Named colours

Tomato · ΔE 9.9 Coral · ΔE 15.7 Chocolate · ΔE 17.6 Firebrick · ΔE 21.6 Orange red · ΔE 21.9 Crimson · ΔE 26.3

Nearest named CSS colourTomato (#FF6347)ΔE 9.9, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2ABAE4

Analogous#E42A5D, #E4B12A

Triadic#2AE454, #542AE4

Split complementary#2AE4B1, #2A5DE4

Tetradic#5DE42A, #2ABAE4, #B12AE4

Tints, shades & saturation

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

Lighter +40%#FBE5DF

Lighter +30%#F5C1B2

Lighter +20%#EF9D85

Lighter +10%#EA7857

Darker −10%#C23F19

Darker −20%#953013

Darker −30%#68220D

Darker −40%#3B1307

More saturated +25%#FF450F

Less saturated −25%#C66448

Channel breakdown

R228

G84

B42

Red228 (89.4%)

Green84 (32.9%)

Blue42 (16.5%)

Hue13.55°

Saturation (HSL)77.5%

Lightness52.94%

Dominant channelRed

Hex per channelR E4 · G 54 · B 2A

Keep nerding

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

#E4542A

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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