Recognised as Colour

#E7003F

#E7003F
Red
Dark
Nearest: Crimson

#E7003F is a red with RGB values 231, 0, 63 and HSL 344°, 100%, 45%. It is a dark colour, so white text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#E7003F#E7003F

HEX#E7003F

RGBrgb(231, 0, 63)

RGB (0–1)0.9059, 0, 0.2471

RGB percentages90.6%, 0%, 24.7%

HSLhsl(343.6, 100%, 45.3%)

HSV / HSBhsv(343.6, 100%, 90.6%)

CMYK0%, 100%, 72.7%, 9.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer15,138,879

CSS custom property--colour: #E7003F;

Brightness & contrast

Relative luminance0.17348WCAG 2.x, 0 is black and 1 is white

Perceived brightness128.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.7:1

Contrast with white4.7:1WCAG normal text: AA

Contrast with black4.47:1WCAG normal text: Fail

Greyscale equivalent#363636

Inverted#18FFC0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5E573Fno red cones; affects about 1% of men; ΔE 80.1 from the original

Deuteranopia#918337no green cones; the most common form, about 1% of men; ΔE 80.6 from the original

Tritanopia#FE0025no blue cones; rare, and affects men and women equally; ΔE 21.3 from the original

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

Contrast with white, large text4.7:1WCAG large text: AAA

Contrast with black, large text4.47:1WCAG large text: AA

Named colours

Crimson · ΔE 5 Firebrick · ΔE 22.1 Tomato · ΔE 25.3 Brown · ΔE 28.4 Dark red · ΔE 32.8 Indian red · ΔE 33.4

Nearest named CSS colourCrimson (#DC143C)ΔE 4.97, a close match

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00E7A8

Analogous#E700B2, #E73400

Triadic#3FE700, #003FE7

Split complementary#00E734, #00B3E7

Tetradic#B3E700, #00E7A8, #3500E7

Tints, shades & saturation

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

Lighter +40%#FFB4C8

Lighter +30%#FF81A3

Lighter +20%#FF4E7E

Lighter +10%#FF1B59

Darker −10%#B40031

Darker −20%#810023

Darker −30%#4E0015

Darker −40%#1B0007

More saturated +25%#E7003F

Less saturated −25%#CA1D4C

Channel breakdown

R231

B63

Red231 (90.6%)

Green0 (0%)

Blue63 (24.7%)

Hue343.64°

Saturation (HSL)100%

Lightness45.29%

Dominant channelRed

Hex per channelR E7 · G 00 · B 3F

Keep nerding

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

#E7003F

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