Nerdulator> put something in

Recognised as Colour

#E13713

  • #E13713
  • Red
  • Dark
  • Nearest: Orange red

#E13713 is a red with RGB values 225, 55, 19 and HSL 10°, 84%, 48%. It is a dark colour, so black text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Orange red.

Colour values

#E13713#E13713
HEX#E13713
RGBrgb(225, 55, 19)
RGB (0–1)0.8824, 0.2157, 0.0745
RGB percentages88.2%, 21.6%, 7.5%
HSLhsl(10.5, 84.4%, 47.8%)
HSV / HSBhsv(10.5, 91.6%, 88.2%)
CMYK0%, 75.6%, 91.6%, 11.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer14,759,699
CSS custom property--colour: #E13713;

Brightness & contrast

Relative luminance0.18787WCAG 2.x, 0 is black and 1 is white
Perceived brightness130.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.76:1
Contrast with white4.41:1WCAG normal text: Fail
Contrast with black4.76:1WCAG normal text: AA
Greyscale equivalent#595959
Inverted#1EC8EC

Colour vision & accessibility

Protanopia#6D6007no red cones; affects about 1% of men; ΔE 69 from the original
Deuteranopia#978600no green cones; the most common form, about 1% of men; ΔE 69.1 from the original
Tritanopia#F80032no blue cones; rare, and affects men and women equally; ΔE 19.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.41:1WCAG large text: AA
Contrast with black, large text4.76:1WCAG large text: AAA

Named colours

Nearest named CSS colourOrange red (#FF4500)ΔE 14.21, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#13BDE1
Analogous#E11356, #E19E13
Triadic#13E137, #3713E1
Split complementary#13E19E, #1356E1
Tetradic#56E113, #13BDE1, #9E13E1

Tints, shades & saturation

Lighter +40%#FACFC6
Lighter +30%#F6A797
Lighter +20%#F28068
Lighter +10%#EE5839
Darker −10%#B22C0F
Darker −20%#83200B
Darker −30%#541507
Darker −40%#250903
More saturated +25%#F42B00
Less saturated −25%#C34B31

Channel breakdown

R225
G55
B19
Red225 (88.2%)
Green55 (21.6%)
Blue19 (7.5%)
Hue10.49°
Saturation (HSL)84.43%
Lightness47.84%
Dominant channelRed
Hex per channelR E1 · G 37 · B 13

Keep nerding

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

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “e13713” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.