Nerdulator> put something in

Recognised as Colour

#E71706

  • #E71706
  • Red
  • Dark
  • Nearest: Red

#E71706 is a red with RGB values 231, 23, 6 and HSL 5°, 95%, 46%. It is a dark colour, so white text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Red.

Colour values

#E71706#E71706
HEX#E71706
RGBrgb(231, 23, 6)
RGB (0–1)0.9059, 0.0902, 0.0235
RGB percentages90.6%, 9%, 2.4%
HSLhsl(4.5, 94.9%, 46.5%)
HSV / HSBhsv(4.5, 97.4%, 90.6%)
CMYK0%, 90%, 97.4%, 9.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,144,710
CSS custom property--colour: #E71706;

Brightness & contrast

Relative luminance0.17615WCAG 2.x, 0 is black and 1 is white
Perceived brightness127.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.64:1
Contrast with white4.64:1WCAG normal text: AA
Contrast with black4.52:1WCAG normal text: AA
Greyscale equivalent#424242
Inverted#18E8F9

Colour vision & accessibility

Protanopia#655800no red cones; affects about 1% of men; ΔE 78.1 from the original
Deuteranopia#958400no green cones; the most common form, about 1% of men; ΔE 77.7 from the original
Tritanopia#FF001Ano blue cones; rare, and affects men and women equally; ΔE 9.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.64:1WCAG large text: AAA
Contrast with black, large text4.52:1WCAG large text: AAA

Named colours

Nearest named CSS colourRed (#FF0000)ΔE 10.92, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#06D6E7
Analogous#E70666, #E78706
Triadic#06E717, #1706E7
Split complementary#06E787, #0666E7
Tetradic#66E706, #06D6E7, #8706E7

Tints, shades & saturation

Lighter +40%#FDC1BC
Lighter +30%#FC938A
Lighter +20%#FB6558
Lighter +10%#F93727
Darker −10%#B51205
Darker −20%#840D03
Darker −30%#520802
Darker −40%#200301
More saturated +25%#ED1200
Less saturated −25%#C93024

Channel breakdown

R231
G23
B6
Red231 (90.6%)
Green23 (9%)
Blue6 (2.4%)
Hue4.53°
Saturation (HSL)94.94%
Lightness46.47%
Dominant channelRed
Hex per channelR E7 · G 17 · B 06

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 “e71706” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.