Recognised as Colour

#E00317

#E00317
Red
Dark
Nearest: Red

#E00317 is a red with RGB values 224, 3, 23 and HSL 355°, 97%, 45%. It is a dark colour, so white text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Red.

Colour values

#E00317#E00317

HEX#E00317

RGBrgb(224, 3, 23)

RGB (0–1)0.8784, 0.0118, 0.0902

RGB percentages87.8%, 1.2%, 9%

HSLhsl(354.6, 97.4%, 44.5%)

HSV / HSBhsv(354.6, 98.7%, 87.8%)

CMYK0%, 98.7%, 89.7%, 12.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer14,680,855

CSS custom property--colour: #E00317;

Brightness & contrast

Relative luminance0.15974WCAG 2.x, 0 is black and 1 is white

Perceived brightness122.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.01:1

Contrast with white5.01:1WCAG normal text: AA

Contrast with black4.19:1WCAG normal text: Fail

Greyscale equivalent#333333

Inverted#1FFCE8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5E5312no red cones; affects about 1% of men; ΔE 78.5 from the original

Deuteranopia#8F7E00no green cones; the most common form, about 1% of men; ΔE 77.7 from the original

Tritanopia#F70014no blue cones; rare, and affects men and women equally; ΔE 9.9 from the original

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

Contrast with white, large text5.01:1WCAG large text: AAA

Contrast with black, large text4.19:1WCAG large text: AA

Named colours

Red · ΔE 16.8 Orange red · ΔE 19.4 Crimson · ΔE 20 Tomato · ΔE 22.4 Firebrick · ΔE 24.3 Dark red · ΔE 31.2

Nearest named CSS colourRed (#FF0000)ΔE 16.83, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#03E0CC

Analogous#E00385, #E05E03

Triadic#17E003, #0317E0

Split complementary#03E05E, #0385E0

Tetradic#85E003, #03E0CC, #5E03E0

Tints, shades & saturation

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

Lighter +40%#FEB1B8

Lighter +30%#FD7F8A

Lighter +20%#FD4C5C

Lighter +10%#FC1A2F

Darker −10%#AE0212

Darker −20%#7B020D

Darker −30%#490107

Darker −40%#170002

More saturated +25%#E30015

Less saturated −25%#C41F2E

Channel breakdown

R224

B23

Red224 (87.8%)

Green3 (1.2%)

Blue23 (9%)

Hue354.57°

Saturation (HSL)97.36%

Lightness44.51%

Dominant channelRed

Hex per channelR E0 · G 03 · B 17

Keep nerding

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

#E00317

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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