Nerdulator> put something in

Recognised as Colour

#E7515B

  • #E7515B
  • Red
  • Dark
  • Nearest: Indian red

#E7515B is a red with RGB values 231, 81, 91 and HSL 356°, 76%, 61%. It is a dark colour, so black text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Indian red.

Colour values

#E7515B#E7515B
HEX#E7515B
RGBrgb(231, 81, 91)
RGB (0–1)0.9059, 0.3176, 0.3569
RGB percentages90.6%, 31.8%, 35.7%
HSLhsl(356, 75.8%, 61.2%)
HSV / HSBhsv(356, 64.9%, 90.6%)
CMYK0%, 64.9%, 60.6%, 9.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,159,643
CSS custom property--colour: #E7515B;

Brightness & contrast

Relative luminance0.23629WCAG 2.x, 0 is black and 1 is white
Perceived brightness144 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.73:1
Contrast with white3.67:1WCAG normal text: Fail
Contrast with black5.73:1WCAG normal text: AA
Greyscale equivalent#727272
Inverted#18AEA4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#78715Ano red cones; affects about 1% of men; ΔE 61.7 from the original
Deuteranopia#9E9157no green cones; the most common form, about 1% of men; ΔE 62.5 from the original
Tritanopia#FD3056no blue cones; rare, and affects men and women equally; ΔE 17.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.67:1WCAG large text: AA
Contrast with black, large text5.73:1WCAG large text: AAA

Named colours

Indian red · ΔE 14.6Crimson · ΔE 16.7Salmon · ΔE 17.8Light coral · ΔE 20.1Firebrick · ΔE 20.1Brown · ΔE 20.6
Nearest named CSS colourIndian red (#CD5C5C)ΔE 14.58, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#51E7DD
Analogous#E751A6, #E79251
Triadic#5BE751, #515BE7
Split complementary#51E792, #51A6E7
Tetradic#A6E751, #51E7DD, #9251E7

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FAD7DA
Lighter +20%#F3ABAF
Lighter +10%#ED7E85
Darker −10%#E12431
Darker −20%#B91924
Darker −30%#8C131B
Darker −40%#5F0D13
More saturated +25%#FF3946
Less saturated −25%#CE6A70

Channel breakdown

R231
G81
B91
Red231 (90.6%)
Green81 (31.8%)
Blue91 (35.7%)
Hue356°
Saturation (HSL)75.76%
Lightness61.18%
Dominant channelRed
Hex per channelR E7 · G 51 · B 5B

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 “e7515b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.