Recognised as Colour

#CA0537

#CA0537
Red
Dark
Nearest: Crimson

#CA0537 is a red with RGB values 202, 5, 55 and HSL 345°, 95%, 41%. It is a dark colour, so white text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#CA0537#CA0537

HEX#CA0537

RGBrgb(202, 5, 55)

RGB (0–1)0.7922, 0.0196, 0.2157

RGB percentages79.2%, 2%, 21.6%

HSLhsl(344.8, 95.2%, 40.6%)

HSV / HSBhsv(344.8, 97.5%, 79.2%)

CMYK0%, 97.5%, 72.8%, 20.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,239,607

CSS custom property--colour: #CA0537;

Brightness & contrast

Relative luminance0.12941WCAG 2.x, 0 is black and 1 is white

Perceived brightness112.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.85:1

Contrast with white5.85:1WCAG normal text: AA

Contrast with black3.59:1WCAG normal text: Fail

Greyscale equivalent#323232

Inverted#35FAC8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#524C37no red cones; affects about 1% of men; ΔE 72 from the original

Deuteranopia#7E7230no green cones; the most common form, about 1% of men; ΔE 72.5 from the original

Tritanopia#DF0021no blue cones; rare, and affects men and women equally; ΔE 19.1 from the original

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

Contrast with white, large text5.85:1WCAG large text: AAA

Contrast with black, large text3.59:1WCAG large text: AA

Named colours

Crimson · ΔE 6.1 Firebrick · ΔE 14.3 Brown · ΔE 18.9 Dark red · ΔE 24.7 Indian red · ΔE 26.8 Tomato · ΔE 27.1

Nearest named CSS colourCrimson (#DC143C)ΔE 6.12, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#05CA98

Analogous#CA059A, #CA3505

Triadic#37CA05, #0537CA

Split complementary#05CA35, #059ACA

Tetradic#9ACA05, #05CA98, #3505CA

Tints, shades & saturation

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

Lighter +40%#FD9EB6

Lighter +30%#FB6D91

Lighter +20%#FA3B6B

Lighter +10%#F90946

Darker −10%#980429

Darker −20%#66031C

Darker −30%#35010E

Darker −40%#030001

More saturated +25%#CF0035

Less saturated −25%#B01F44

Channel breakdown

R202

B55

Red202 (79.2%)

Green5 (2%)

Blue55 (21.6%)

Hue344.77°

Saturation (HSL)95.17%

Lightness40.59%

Dominant channelRed

Hex per channelR CA · G 05 · B 37

Keep nerding

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

#CA0537

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