Recognised as Colour

#E30522

#E30522
Red
Dark
Nearest: Crimson

#E30522 is a red with RGB values 227, 5, 34 and HSL 352°, 96%, 45%. It is a dark colour, so white text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#E30522#E30522

HEX#E30522

RGBrgb(227, 5, 34)

RGB (0–1)0.8902, 0.0196, 0.1333

RGB percentages89%, 2%, 13.3%

HSLhsl(352.2, 95.7%, 45.5%)

HSV / HSBhsv(352.2, 97.8%, 89%)

CMYK0%, 97.8%, 85%, 11%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer14,877,986

CSS custom property--colour: #E30522;

Brightness & contrast

Relative luminance0.16555WCAG 2.x, 0 is black and 1 is white

Perceived brightness124.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.87:1

Contrast with white4.87:1WCAG normal text: AA

Contrast with black4.31:1WCAG normal text: Fail

Greyscale equivalent#363636

Inverted#1CFADD

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5F551Fno red cones; affects about 1% of men; ΔE 79.4 from the original

Deuteranopia#908013no green cones; the most common form, about 1% of men; ΔE 78.8 from the original

Tritanopia#FB0019no blue cones; rare, and affects men and women equally; ΔE 12.5 from the original

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

Contrast with white, large text4.87:1WCAG large text: AAA

Contrast with black, large text4.31:1WCAG large text: AA

Named colours

Crimson · ΔE 15.9 Red · ΔE 19.9 Tomato · ΔE 21.4 Firebrick · ΔE 22.6 Orange red · ΔE 22.7 Dark red · ΔE 30.8

Nearest named CSS colourCrimson (#DC143C)ΔE 15.87, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#05E3C6

Analogous#E30591, #E35705

Triadic#22E305, #0522E3

Split complementary#05E357, #0591E3

Tetradic#91E305, #05E3C6, #5705E3

Tints, shades & saturation

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

Lighter +40%#FDB7C0

Lighter +30%#FC8594

Lighter +20%#FB5369

Lighter +10%#FA213D

Darker −10%#B1041B

Darker −20%#7F0313

Darker −30%#4D020C

Darker −40%#1B0104

More saturated +25%#E8001E

Less saturated −25%#C62237

Channel breakdown

R227

B34

Red227 (89%)

Green5 (2%)

Blue34 (13.3%)

Hue352.16°

Saturation (HSL)95.69%

Lightness45.49%

Dominant channelRed

Hex per channelR E3 · G 05 · B 22

Keep nerding

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

#E30522

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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